There is a difference between "0 tolerance", which affects mainly users, and "no entry", which prevents the product to reach your border.
In the case of Sweden, it is mainly a symptom of non-european immigration, using their criminal networks to import the product. Netherland is dominated by Moroccan mafia, France by the Algerian mafia, and so on. Remigrating them would likely solve a big part of the problem.
> controlled selling
Yes, that's already the case in most countries: I can get opioids such as morphine in the case of surgical operation. Many ADHD teens get derivatives of amphetamines. No one is against this.
In practice they tend to substitute A with B, and B is often times even more destructive (black market fentanyl rather than medical opioids, or just inhalants).
In the case of Sweden, it is mainly a symptom of non-european immigration, using their criminal networks to import the product. Netherland is dominated by Moroccan mafia, France by the Algerian mafia, and so on. Remigrating them would likely solve a big part of the problem.
> controlled selling
Yes, that's already the case in most countries: I can get opioids such as morphine in the case of surgical operation. Many ADHD teens get derivatives of amphetamines. No one is against this.