Which "drugs"?
The problem with highly addictive things is people do not stop at small quantities.
If alcohol was invented today, people would be like "no way we allow a juice that makes you happy, stupid, aggressive and endangers yourself and others and has high addictive levels".
If alcohol was invented today, people would be like "no way we allow a juice that makes you happy, stupid, aggressive and endangers yourself and others and has high addictive levels".