You can't do it online with anew passport the first time. You have to do it in person - says on 90 day info page that new passport will require this. You also have to update TM30 with new passport number.
He probably lives in a Lily White Liberal area (note most leafy suburb liberals who are so keen on immigration and multiculturalism don't live with it). It is an inverse relationship - the further they are away from it the more they espouse the benefits.
I once moved from East London (UK) to Islington where all the Liberals live. I can't tell you how different it is.
Also in Bankok i lived for 3 years in an apartment complex used as a holding tank by people smugglers.
Immigration have NEVER stated that the reason for keeping Bt400k year 'round was for providing accessible funds to cover hospital costs. Their stated reason was to stop people using agents. The assumption that the Bt400k was for hospital bills arose because around the same time there was a requirement for OA visa holders to have Bt400k of insurance coverage.
Well I must say in my 30 years here I have never had any kind of problem with taxi drivers - probably because I have taken the trouble to learn the culture and speak fluent Thai.
Thought I'd post this just in case Mr "well I must say I have never had that problem" hadn't posted yet.