Sure, but it was a change that was slipped through under the radar without any proper justification for it (the situation wasn't even clarified for dual nationals until quite close to the deadline).
I'd have thought the justification was fairly obvious in that they can keep a better eye on British passport holders
Amazingly obvious to jamespo is not normally the standard by which new immigration rules are introduced.
Amazingly != fairly, but I doubt any civil servants responsible for drafting this are going to reply to this thread just for you
Isn’t one of the use cases to help determine tax domiciles?