hm... The LTR allows for a work permit, huge reduction in restrictions on employees if starting a business, and no tax on worldwide income - should the stated rules on worldwide income be introduced. Can't really compare apples with pears.
they don't need to research it. The computer system knows exactly how many days you have been in the country. A no brainer, could code this in a couple of hours.😉
A & B - are either of these likely? Probably not, but do not underestimate Thai Revenue from protecting their revenue source especially when the country is in low growth and tax revenues are being hit hard.