[Texaggie79]

and leave otherwise peaceful people the hell alone

Fine by me. There are no responsible peaceful meth users. The drug makes that impossible.

Do you want to leave the people who threaten others alone?

[Belial]

There are no responsible peaceful meth users. The drug makes that impossible.

That's not true. Crystal is a lousy drug, but plenty of students use it, usually without practicing baseball or golf swings on their friends.

Predisposition to violence matters. There are people who simply don't freak out under the influence, and others who do. For whatever that's worth.