So, the "Domestic Terrorist" letter wasn't even the grass-roots sentiment of the left-wing educrats who are using critical race theory to rewrite the curriculum* and demanding choose-your-own-gender bathrooms and sports teams. Even as an expression of their views it was astroturf.
*That is how CRT is in the schools. It is not being taught; rather, it is shaping what is taught and how it is taught.