If teachers are worried about angering parents for talking about things the parent finds objectionable they should stick to their jobs and not talk about it. Do your job and you won’t have problems.

https://www.westernjournal.com/school-district-fire-asking-parents-vow-not-sit-childrens-online-learning/

Tenn. School District Facing Backlash for Asking Parents To Sign Waiver Saying They Won't Observe Online Class

Rutherford County Schools in Murfreesboro, Tennessee, had asked parents to sign a form agreeing to give teachers privacy with students.

The Western Journal