What is the experience like at the Immigration Office in Hua Hin for non-immigrant O-A visa holders?

Following.

it is a small office, and they have a satellite office in Blu Port Mall where you can do 90 day reporting, get re-entry permits etc.

A friend who lives in Hua Hin and gets his yearly extensions of stays based on being over 50 (retirement) there said that he showed up to get his extension 8:15 was 3rd in line outside the door, at 8:30 he went in got the extension, they asked if he needed a re-entry permit, he got that too, and they reset his 90 day reporting as well. He said he did everything with the one officer and was out of the office by 9:10.

Not really understand this question. Do you mean that if we tell the Immigration Officers are very friendly you move to Hua Hin and if we say they follow the rules and expect foreigners to do the same you move to another place somewhere inside Thailand?