Tough has nothing to do with it
There a big difference between working in an adversarial environment and getting support and encouragement.
Besides, with the inability to discipline or teach competently, it’s a waste of time. Common core, for example.
No, that's an excuse. I worked in it for 16 years. The liberals are just as miserable as we are, they just hang in there, while conservatives walk away. So they are winning.