Did you ever stop to think
I could ask "did you ever start to think"?
I'm pretty sure you are student or unemployed, because in many work places where are working 2-3x more people than Krepo listed (his list is exaggerated also) it is possible to create safe environment.
But have to have know-how and management skills to create this or just you have to be willing to do so.
So Rioters don't have skills or willingness?