The teacher in question is a right-wing wacko who the Left will hold as a Typical Representative of Conservative Thinking.
Arrogant, self-important, intolerant, unyielding, sanctimonious -- and MEAN -- this person is everything that is bad about the extreme Right Wing.
"Arrogant, self-important, intolerant, unyielding, sanctimonious -- and MEAN -- this person is everything that is bad about the extreme Right Wing."
AND, the above negative attributes also apply to the
Left Wing.