2) It is regulated so minors don't have access. or at least, reduce their access as much as possible.
3) If we ban things we don't like, then where do we draw the line? I HATE marshmellows. I find their flavor to be obscene. I could simply not eat them and have no interaction with them and be just fine. Or I could push for them to be outlawed over my own petty feelings and get rid of something other enjoy.