That's not a couple of points
That's a list!
Suggestion, Would you not be up for discussing banning's where the other members can see? Could work a bit like a court case.
So, you present evidence, in the form of proof of a player causing damage and say the punishment is a perma ban, they could defend themselves and then
I was making the point, that players should take responsibility for the players they bring on to the server, it should reflect badly upon them and would warnings not be a fair punishment?