I get your point. However, teachers are required to teach a set curriculum. He's saying he can no longer do this in good conscience. At least his resignation and the reasons why have been made public.
Take them to court.
We need to fight fire with fire.
They have no right to be forcing some of this stuff on very
young children.
If a person would get backing and stand up, he’d get so many
other teachers piling on to the complaint, it would be hard
to keep track of them all.
Instead...
“Well, I’m outa here...”