It's like DRM: it will annoy legitimate users and keep them from obviously legit usecases, and be circumvented by people who are motivated.

Thanks, yes, I see this just came up in a similar comment thread (https://news.ycombinator.com/item?id=44823752)

What a crock, to not bother coming up with a way to make passkeys portable and then threaten to ban providers who actually thought about how humans might use them in the real world