>The big tech companies all tend to have excellent security teams, each of which have particular strengths. Google's obviously includes low-level vulnerability research and browser security. Apple's includes hardware security and cryptography. I would be surprised if they "missed out on a half dozen important security features".

>In particular it's "signing with apple on the web" that they've analysed, which is open for anyone to analyze using the developer tools in a browser etc.

Why is it I am getting the idea Apple just aren't very good with the web. I am reading it as Sign In with Apple ID is secure on the devices, iOS and App, but not when used on the web.