News iOS 16.3 now supports hardware security keys — what you need to know

Jan 27, 2023
You’ll also need physical access to your security key when you’re logging into your Apple account from a new device or browser, when you reset your Apple password, when you unlock your Apple ID, or should you need to add and remove security keys from your account.

It’s not the case that you need a security key to add or remove security keys. You just need access to and the ability to unlock a trusted device.