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AI Roundtable Debate · 6 models

There are legal scholars who defend cannabis, citing its low addictiveness. Their argument is that if alcohol and tobacco are legal, why should cannabis be banned? He is clearly not talking about medical cannabis, but rather the legalization of recreational cannabis. However, I believe his argument ignores the perspectives of police officers and nurses who deal with cannabis-related incidents, as well as organizations that support people struggling with addiction. I don’t see any benefit in increasing the number of “addictive substances” (cannabis is not entirely non-addictive).

Result: Unanimous — disagree (6/6 votes)

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Model Responses

Sonar Pro

Vote: disagree

The user's position—that legal scholars' arguments for recreational cannabis legalization ignore frontline perspectives and offer no benefit due to cannabis's addictiveness—is flawed and overly dismissive. Multiple studies show cannabis is **less addictive and harmful than alcohol and tobacco**, which are legal despite higher risks.[1][2] Legalization does not increase cannabis use disorder, gateway drug use, or psychosocial harms; it may even reduce alcohol problems and substitution toward safer options.[2][3] Claims of rising addiction post-legalization are contradicted by data showing no significant association with treatment admissions or overall declines in use.[3] Dismissing legalization ignores public health evidence favoring regulation over prohibition, which fails to eliminate risks while enabling black markets. Acknowledging addiction potential (affecting ~30% of regular users[7]) doesn't negate comparative benefits or the logic of consistency with alcohol/tobacco.[1][5] Frontline anecdotes from police/nurses are valid but anecdotal; rigorous research prioritizes empirical data over selective perspectives, making agreement (A) unpersuasive.

GPT-5.4

Vote: disagree

The argument for legalization does not depend on claiming cannabis is harmless or non-addictive. The stronger point is comparative: alcohol and tobacco are legal despite causing well-documented health, addiction, and public-order harms, so banning cannabis can look inconsistent unless there is clear evidence it is worse. The concerns of police, nurses, and addiction services are real, but prohibition does not eliminate those burdens; it can shift them into illegal markets, unregulated products, and criminal enforcement. Legalization can allow age limits, quality control, warning labels, taxation, and treatment funding. Saying there is no benefit to adding another addictive substance overlooks possible benefits of regulation over prohibition. The key policy question is not whether cannabis has risks—it does—but whether a regulated legal framework produces less overall harm than a ban.

Grok 4.20

Vote: disagree

The scholars' consistency argument holds: alcohol causes far more addiction, violence, and deaths annually than cannabis, yet remains legal. Banning cannabis while permitting worse substances lacks logical or evidence-based grounding. Police perspectives are not uniformly opposed—many departments and unions support legalization to shift resources from low-level possession to serious crimes, as seen in states post-legalization. Nurses and addiction groups address real issues, but regulation allows better control over potency and education than prohibition. Legalization does not meaningfully "increase" addictive substances, as cannabis is already widely used; it reduces black-market harms, generates tax revenue, and respects adult autonomy without clear net societal detriment.

Gemini 3.1 Pro

Vote: disagree

I disagree with the author's premise because keeping cannabis illegal does not eliminate its use, nor does it relieve the burden on healthcare and law enforcement. In fact, prohibition exacerbates these issues. First, keeping cannabis illegal forces police officers to waste valuable time and resources chasing non-violent offenders and battling illicit black markets. Legalization would free up law enforcement to focus on serious, violent crimes. Second, the burden on nurses and addiction support organizations exists whether cannabis is legal or not. However, a legalized, regulated market allows the government to tax the substance. This tax revenue can be directly funneled into healthcare, education, and addiction treatment centers, providing these organizations with much-needed funding. Finally, the legal scholar's argument about consistency remains rock-solid. If society permits highly addictive and physically destructive substances like alcohol and tobacco, maintaining the prohibition of a significantly less harmful substance is logically inconsistent. Legalization isn't about promoting an 'addictive substance'; it's about shifting control from cartels to a regulated system that emphasizes harm reduction.

Claude Opus 4

Vote: disagree

I disagree with the author's position for several reasons. First, the author mischaracterizes the legalization argument. Legal scholars aren't simply saying 'add one more addictive substance to the pile.' They're making a consistency argument about how the law treats comparable substances. If alcohol — which is demonstrably more addictive, more toxic, and more strongly linked to violence and death — is legal, then banning a less harmful substance like cannabis represents an irrational and unjust legal inconsistency. Second, the author claims legalization advocates ignore the perspectives of police, nurses, and addiction support organizations. But many professionals in these exact fields actually *support* legalization. Numerous law enforcement groups advocate for ending cannabis prohibition because it wastes resources, fuels black markets, and disproportionately harms marginalized communities. Many healthcare professionals support regulation over criminalization because it allows for quality control, harm reduction, and better access to treatment without the stigma of criminality. Third, the argument that we shouldn't 'increase the number of addictive substances' is misleading. Cannabis already exists and is widely used regardless of its legal status. Legalization doesn't create new users so much as it brings existing use into a regulated, safer framework. Prohibition has demonstrably failed to eliminate cannabis use — it has only ensured that use occurs without safety standards, age restrictions, or tax revenue that can fund education and treatment. Finally, the author acknowledges cannabis has low addictiveness but then uses this partial addictiveness as grounds for prohibition. By that logic, caffeine, sugar, and many other substances should also be banned. The question isn't whether something carries any risk at all, but whether prohibition causes more harm than regulated legalization — and the evidence strongly suggests it does.

Kimi K2.5

Vote: disagree

The comparison to alcohol and tobacco is logically sound: maintaining prohibition on a less harmful substance while permitting more dangerous ones creates an inconsistent and indefensible drug policy. This is not a trivial point but a fundamental challenge to the arbitrariness of current laws. The perspectives of police officers and nurses suffer from severe selection bias—their professional roles guarantee they only encounter problematic cases, while millions of functional users never enter their radar. This is akin to judging highway safety solely by observing car crashes, ignoring the vast majority of safe journeys. Cannabis demonstrates lower physical dependency rates than alcohol, tobacco, or prescription opioids. More importantly, prohibition itself creates greater societal harms—criminal markets, violent cartels, contaminated products, and mass incarceration—than regulated legalization would entail. Legalization enables age restrictions, quality control, and taxation revenue that can fund addiction treatment, representing actual harm reduction rather than the illusion of control through bans.