How is the 90-day reporting process at Thai immigration offices, especially at airport locations?

The user reports a seamless experience with the 90-day reporting process at a Thai immigration office located by the airport, taking less than 15 minutes. They handed their passport through a window without the need for paperwork, highlighting the efficiency of the service. Commenters express positivity about the process, with some inquiring about the future of this system amidst health concerns and the necessity of filling out the TM47 form.