They pretty much do allow subs to do whatever they want as long as it isn't illegal and also as long as it doesn't draw negative media attention to reddit. The

They pretty much do allow subs to do whatever they want as long as it isn't illegal and also as long as it doesn't draw negative media attention to reddit. They will usually crack down on the latter. They will sometimes ban illegal activity subs unprovoked but really it's fairly rare right up until they draw outside attention.