the new laws recently began, a little before January 2025. Money laundering issues happening in Thai banks, and way to many people are taking advantage coming in and out of the country, without having proper visas. Many people asking for tourist visa extensions, and are living in Thailand, instead of having an actual retirement visa, or whatever else you aquire as a legit visa.
Anyone who keeps re-entering Thailand, without a certain proper visa, may end up being questioned. Currently, your only allowed in Thailand, for 30 day's, unless you arrive pre approved extension.