Refer previous posts:
Just when I almost weakened and set up a PassKey for at least one account (Google), I heard this on Windows Weekly Ep 944. https://www.youtube.com/watch?v=KcvuD36zQbo
About 1 hr 54 minutes (start of section talking about authenticator Apps –10 minutes approx.) Towards the end of the segment they talk about ongoing problems with PassKeys even when stored in your Password Manager. When I am sure that all issues have been sorted out, I will consider.