Not a lot really, and mostly just vague inputs, but:

a) flipflop anti-Trump stance following the 2022 elections

b) association with other Conservative Inc. commentators, aka Establishment Conservatives

c) Familial connections (father, etc)

That's mostly it, but as I mentioned, I haven't been paying much attention to her.

Your idea that she's been making progress like any anon - going through stages of learning and awakening, etc - makes some good sense, and I think that process is very real, and can explain what otherwise seems like deliberately ignoring certain truths.