Of course they are not involved yet because nothing has evolved to that stage yet. You expect that the entire immigration in the country and it's people would be informed and knowledgable about something that hasn't even effectively been implemented yet? Because something is moving with small steps forwards, since years, doesn't mean it is not happening.
This entire tax thing is not even a Thai subject alone, it is a global and WEF effort to avoid people running away from their countries to not have to pay tax, as too many do that in recent years.
It's the same where a pilot in France starts where you will be taxed for up to a decade if you were a resident there for 3 / 10 most recent years, so a quick leave can't be done anymore and is demotivated. This is planned to further roll out in the entire Europe afterwards.
Last but not least, do not forget that even technology or bureaucracy might be behind, if you have taxes due they can go back even 5 years from now. For fraud or evasion supsison even 10 years.
Then consider AI and it's capabilities, that only get worse for us. So think long-term with this stuff. It's 2025. The era and days where you could play around with this and there was a big grey area, is fading.