It's got to be hard to discuss racism, sexism, class advantage to pupils and to discuss how that can be overcome without directly teaching about white privilege, male privilege, class privilege as fact.
Maybe they could offer alternative views?
This is the debate on Black History Month - which is a fascinating read
hansard.parliament.uk/commons/2020-10-20/debates/5B0E393E-8778-4973-B318-C17797DFBB22/BlackHistoryMonth
And the Government view
"Lots of pernicious stuff is being pushed, and we stand against that. We do not want teachers to teach their white pupils about white privilege and inherited racial guilt. Let me be clear that any school that teaches those elements of critical race theory as fact, or that promotes partisan political views such as defunding the police without offering a balanced treatment of opposing views, is breaking the law"
So parents can discuss it with their children, but teachers can't discuss it