The real problem are password managers. Where you used to have ten keys separately, you now have one key which can access ten keys. But that's not what the user thinks. Convenience over security. If you are using a password manager your attack vector scales horizontally with the amount of registrations you have.
It is absolutely the best existing solution to today's problem which is company databases being hacked. If you yourself as an individual are being targeted then all bets are off, and you'll probably need something a bit more heavy-duty than is available in off-the-shelf software today.
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The real problem are password managers. Where you used to have ten keys separately, you now have one key which can access ten keys. But that's not what the user thinks. Convenience over security. If you are using a password manager your attack vector scales horizontally with the amount of registrations you have.
It's not a solution.
It is absolutely the best existing solution to today's problem which is company databases being hacked. If you yourself as an individual are being targeted then all bets are off, and you'll probably need something a bit more heavy-duty than is available in off-the-shelf software today.