Sure, but you can still use a Titan T3 or recent Yubikey model on an iPhone. If I had the threat model to justify it, I would not set up the passkey in Apple's

Sure, but you can still use a Titan T3 or recent Yubikey model on an iPhone. If I had the threat model to justify it, I would not set up the passkey in Apple's infrastructure. It is too bad they ignore that though. That's really disappointing.