In case you hadn't noticed, the grey market is a growing one as people live longer and in the future many will retire earlier because AI will take their jobs.
Pattaya isn't a Brits only destination. Naklua caters mainly for Germanic mongers, Naklua for Scandinavians. Aussies and Yanks, Canuks and Kiwis are so likeable they can fit in anywhere.
I did my 90 day last Wednesday morning and was in and out in less than an hour. Waiting in an air conditioned room is a big bonus. It is low season now.