I actually don’t think that they are particularly stupid. I think that most people can’t overcome the urge to have and keep for themselves. It’s all very much ape behavior and it pervades all the nasty that humans are capable of.
I’m not saying that people or better or worse. I just think that some let the internal animal out and others keep it in the cage. I do, however, believe that everyone should strive for that.
Fortunately it requires effort to come in here with is a barrier for the casual trolls.