Liberals have a luxury of "identifying" as black and having solidarity with them against whites as long as they can watch the whole spectacle from the safe distance of their gated communities. They'll change their tune once their own neighborhoods get burned and looted and they or their loved ones get attacked.
I doubt even the most liberal whites in Zimbabwe were singing Kumbaya when their farms were being burned.
perhaps but I doubt white liberals would be their main targets. Of course all of this is theoretical discussion. But if something like this manifested it would likely evolve into people of color or who identify as people of color vs conservative whites who they perceive as their enemy for some reason.