And I've heard of teachers who are universally disliked by students, teachers, and administrators who are too difficult to fire. These are people who get switch

And I've heard of teachers who are universally disliked by students, teachers, and administrators who are too difficult to fire. These are people who get switched to a new co-teacher every single year because the last one refuses to work with them again. I'm not anti-union but it's a double edged sword.