Also, do not forget about teachers who work and coach in small towns. You piss off Billy's parents and Billy's dad is the banker in town and behold.......Billy's dad comes after your job. Not just your coaching position but your teaching job.
I know I am spouting a lot of liberal rhetoric about tenure but remember I am a 40 year old, white guy who identifies with the Tea Party and one of the most conservative people out there. I have voted Republican in every election since Bush vs Clinton.