

But the third parties actually have no access to your passkeys. The passkey stored are end to end encrypted blobs. So even if anyone gets hold of it, its useless. But a password for instance when leaked from 3rd party can be used easily as the server will have to decrypt the password at one point. So the means to decrypt the password will be at the server but passkeys aren’t like that. The private passkey can be decrypted only on your device for signing the challenge. Basically your exposure was basically halved.

I think Google accounts are made usually for single user and thus passkeys. But may be you can try going to the share Google accounts security and there’s an option skip password when possible. Disable it… May be it might work. I’m not sure tough.