I am a teacher and my principal does not like confrontation at all! If there is a problem with one or two people, instead of pulling them aside and talking to them about it, she will address us as a group or send out an email to everyone.
Wow, if you hadn't said "she" I would have thought you were talking about my principal from 10 years ago. That is exactly what he did - even if only one or two people were guilty, he'd address the staff as though everyone was doing it. Some teachers used to get freaked out and rush up to him after these meetings and say, "Were you talking about me? Did I do it?" And he'd say smugly, "If the shoe fits, wear it."
Well, phooey on that. People would ask me why I never rushed up to him or looked guilty. I would just say, "It wasn't me." I just always acted like it wasn't me, because I never had anything to feel guilty about.
But I'd take him over our current principal, who IS a woman. She is so intent on micro-managing everyone that she makes our lives a misery. Part of the problem is she has a memory like a sieve. So today she'll tell you to do something one way, and in a week she'll yell at you for doing it like that! It drives the staff insane. I've learned to use this to my advantage, though, and, knowing she can't remember anyway, choosing to interpret what she says however I like, then telling her, "But you said so." Because she has no idea whether she did or not! And I can look so darn sweet and earnest.

Evil? Yes. E-h3ll-worthy? Probably. Do I care? No.