School teacher Dayanna Volitich: "Satire" or White Supremacy?

In the Southern California example, this guy, a city councilman, had said similar remarks outside the classroom, but it wasn’t until he was filmed in class saying disparaging things about the military that he was fired. The OP’s teacher is certainly bad, but where is the line drawn? What can a teacher say on her/his private time without being fired? Does tenure protect a teacher no matter how many people are offended by his/her off the clock comments?