[brentm]

If you use something like 1Password it's very easy. It stores your Passkey and it syncs cross device. It's another thing but once it's set up it's less of a pain than using authenticator apps or having to find some random iPad that Google popped up an approval prompt on.

[sylens]

This is how I use them but you have to admit that this assumes 3-4 things about a user just to save them the hassle of supplying two factors at login time. It's also unclear to users if passkeys can be migrated from one password manager to another