Fair point mate - although there is a lot more coke around and being consumed by younger people over the last few years due to its affordabilityNot directed specifically at you but I've seen this take a lot in this thread and while half true - I think it takes away from the fact that the main reason is actually just dickheads being dickheads.
A good amount of people can (and do) have a good skinful and a bag and not act like twats or get violent. Saying the violence is caused by drugs is almost shifting the blame away from the perpetrators - if they can't handle their booze/drugs they should fuck off and stop ruining it for the rest of us ;)