You realise that the second your password manager has it, then it's no longer MFA but it's just 1 factor authentication with extra steps right?
Password manager turns something you know into something you own. If also the something you own is in the password manager itself… it's the same as requiring extra long passwords.
Password manager turns something you know into something you own. If also the something you own is in the password manager itself… it's the same as requiring extra long passwords.