Not enough money goes to good teachers and too much money goes to bad teachers.
Teachers unions enable bad teachers by excusing their behavior. Doesn't do much to help good teachers.
What does teachers unions do to help good teachers become better teachers and helping students?
Teachers unions help bad teachers by preventing vast majority from being fired for being bad teachers. Everyone knows who the bad teachers are in the system.
Teachers unions make money by controlling the teachers and politicians in the system.
