Password managers are themselves cross-device footguns and I could easily write the same headline for them myself. I've been working in tech for 20 years now, and I don't use them.

ETA: Well I do use auto-fill in browsers/mobile, but funny thing about this, I have three running on my phone[0], they all activate at the same time, and they contain mostly non-overlapping set of credentials, and I got tired of trying to sync them together, so I just look up passwords manually one by one in each and use clipboard to transfer the credential once I find it.

And I had to stop using passkeys because they interact with this split-brain system in unpredictable ways.

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[0] - Specifically: Google Password Manager / Google Autofill / whatever they call it, Samsung Pass / Samsung Wallet (they're sort of but not the same?), and auto-fill built into Firefox.