I don't want Google or Apple touching my passwords anymore, not after their last decade of enshittification. If this is true, and I can omport/export passkeys to/from a Yubikey into and out of my KeePass database, then we're talking. Then I could make the Yubikey central, and have the database as backup.
But till then, I want my database with passwords, because I don't wanna be locked out of my life of my phone falls in a river.