You don't know Tavis Ormandy? https://en.m.wikipedia.org/wiki/Tavis_Ormandy

tl;dr "If you want to use an online password manager, I would recommend using the one already built into your browser. They provide the same functionality, and can sidestep these fundamental problems with extensions."

I can only speak for myself but his article confirmed my suspicion about any Password Manager, even Bitwarden and I never have or will use any online Password Managers. I create all my Passwords individually with my own algorithm in my head and can always recreate them.