Kids are growing up, testing limits and leaning, That is what kids do!

I think that a ban won’t fix this, but instead ban anonymous use. If you have to use your real name, most behave much nicer. You become accountable, and that is a good thing for everyone to learn.

Also perhaps a minimum age of say 13 could be a good idea - you need to reach a certain age before you are able to foresee consequences and understand how your actions effect others.