But if you re-enter short time before the visa itself expires in oct 2024 and get stamped in for (almost) a additional year, you’ll need a re-entry permit to re-enter within your second year. (Because the multiple visa then is expired).
Several oil-riggers working offshore from Norway with homes in Thailand for several years have been denied recently as well. But in Norway you do two weeks on a rig and four weeks off…
“unlimited is correct”… I would say there’s no official limit is more precise, and personally I would feel a bit unsafe trying to do 4 exemptions in six months.