Progressives have forty years of work to dominate school boards, starting with University administration, on down through K-12 administration, to the point where some elementary schools are teaching "white" children they should feel guilty for being born "white." No, this isn't happening everywhere, but it is happening in some schools.
Progressives have blown past Martin Luther King's "content of their character" and haired off into Animal Farm territory. This is why MLK is now being claimed to be "problematic." His way led to reconciliation, rather than a new dominance hierarchy. Progressives in general seem to be playing to "win" not to solve, as MLK was.
When one force pushes that hard, it's likely to cause a reaction. I think we're seeing it.