What about alcohol? Rapes, murders, even silly accidents like falling down the stairs and caving your head in is unfortunately quite common for the inebriated.

Loads of people had an argument too many and pulled the trigger during a moment of inebriety.

Yeah, the point is that drugs are fine morally. It's when they're abused they cause issues. There is some line that you've made up where drugs become "bad" but it is made up. Recognizing that it's a made up line is important. I'm not saying you need to use drugs or anything like that, just realize that "drugs are bad" is a blatantly dishonest and untrue statement.

There are also plenty of psychoactive drugs that can be pretty helpful to human mental health. Marijuana also can have many health benefits, and it doesn't cause people to do dangerous things usually. Most of the time it just causes people to sit around inside and not bother other people, unlike alcohol.

Drugs aren't bad. Drug abuse is bad. Doing bad activities while on drugs is also bad, but the drugs are not.