The first bully I met was at work. I did not take kindly to him. I became one in turn, looking at him; and was penalised accordingly.
The second bully I met was also at work. I did not suffer him gladly either. Telltales are even worse in my book.
Repeated bullying led to the same apathy my friend experienced.
Peer bullying, bullying by minions was also not tolerated.
While I do bully still, and am bullied, I still know it is an inferior people management tool. It decreases productivity, adds to resentment and harps on memories.