The “good” teachers are all being forced out of schools. The new liberal principal here cleaned house during her first few years. Every single Christian teacher in the middle school is gone. If the administration is against a teacher, the union is fairly powerless.
Common Core and the other outrages continue because millions of teachers willingly go to work and agree to do evil. We are not yet living in a police state. No one is forcing them. They do it for money.
The rest of America manages to figure out how to make a living without injuring children. Teachers aren't special. They could, too!