the tl;dr is that they are not really feminists, and they use feminist-sounding rhetoric to justify anti-trans views, they’re basically just anti-trans activists.

For more rabbit-hole, ContraPoints has a video about “Gender Criticals” (synonymous with TERF): https://www.youtube.com/watch?v=1pTPuoGjQsI

Her video on JK Rowling would be a good follow-up.

I had to scroll too far to find KeePassXC + syncthing recommended; with syncthing, I see no reason to sacrifice security by using a cloud solution.