I suspect this is a pretty fringe position. I read quite a bit of center to left coded media, and I haven't seen it.
I will say that I'm not on Facebook, Instagram, or tiktok though, so I might be missing a cultural moment.
I have seen people point out that the concept of "whiteness" has shifted over time, and doesn't really have an immutable meaning.
DEI trainers/programs (like you get at work) are informed by CRT (the stuff above).