They're a consumer capture mechanism insofar as password management tools are, and we want users to use those because they make security tolerable. The problem is that it turns out the OS vendor was in the best place to win the password management game.
The lock-in situation with passkeys seems far worse than with password managers, though. There is no "export" option for iCloud passkeys - despite being cloud-synced across your Apple devices.
If you decide to switch from an iPhone to an Android phone, you're looking at an arduous process of enrolling a new passkey for every single site.
