My personal view is that all should have the freedom to do what they want so long as there is no negative impact on society. When I have to pay for your food or upkeep because of your bad choices then you are infringing on my freedom.
My personal opinion (for adult use, kids have no privileges):
Illegality should be weighted on social harm and level of physical addictiveness. Physical addictiveness undermines the ability of an adult to exercise unfettered free-will at a biological level.
If we took that logical approach, lets re-evaluate:
Summary Table
Substance Physically Addictive? Evidence Level Notes
Tobacco (nicotine) ✅ Yes Strong, decades of neurochemical and clinical data High relapse rate
Alcohol ✅ Yes Strong, clinically defined withdrawal & tolerance Medically dangerous withdrawal
Sugar ⚠️ Not proven Weak, mostly behavioral or animal-based Habit-forming but not true physical addiction
Summary Table
Substance Physically Addictive? Psychological Dependence Withdrawal Severity Notes
Cannabis (THC) ⚠️ Mild Moderate Mild to moderate Dependence possible with chronic use
Psilocybin 🚫 No Very low None Non-addictive; potential anti-addiction properties
Seems to me a logical approach if you want to tell adults what to do for their own good would be:
Tobacco and alcohol should just be flat out illegal. Put on the same schedule as fentanyl. No tolerance. Black helicopters. Ninja suited raids with machine guns. The works.
Cannabis, Psilocybin, and sugar should be legal for adult use in the privacy of ones own home.
Or alternatively, all substances are an adults choice to possess and consume, what you make illegal are the behaviors.
If I'm drunk or stoned in public and creating disorder, jail.
If I'm drunk or stones while driving, jail.
If I'm drunk or stoned flying and airplane, jail.
If I'm drunk or stoned while at work, fired.
You make adults bad behavior illegal, not plants that were placed on this earth to grow naturally.