The riots in London have spread and people are puzzled over the cause. I don’t know any deep causes either – but I do know the proximate one. Individual troublemakers don’t dare start up without safety in numbers; usually, they can’t coordinate the provide those numbers. This week they can, because everyone knows there’s going to be trouble. That is: the riots are the reason for the riots.
That doesn’t explain why there are so many would be looters in London. I’ll keep my half-informed guesses to myself, but I invite y’all to have your say in the comments.