When someone has done you wrong, the best thing to do is to walk the other way with your head still held high… but it's certainly more satisfying to scorch the earth behind you as you go. When faced with the bullying behavior of their Karen boss, this IT guy realized he had enough and quit, seeking greener pastures—but, he also decided to (metaphorically) set fire to the building on the way out the door, scheduling a mass company-wide email to be sent from his boss's email address that exposed…