Maybe.The behaviour of everyone hasn't changed and wasn't better than what it is now, it's hypocritical if you think so.
The only difference I can see now is it seems to go unpunished more because certain punishments used 20 years ago are frowned upon in todays society.
I think there has always been and always will be jerks, perhaps the way they show it changes.
People used to litter heaps more for example