Hardly.
There are 156 countries having 2,160 casinos in the world (discounting Thailand reported with two, most likely horse betting and national lottery). Nearby is Vietnam (40), Singapore (10), Malaysia (6 ), Cambodia (63) and Mayanmar (6). Many Indonesians gamble in Malaysia and Singapore. A little further away is China (Macau), Japan, Australia and Philippines. The USA leads the world with over two thousand casinos.
https://www.worldcasinodirectory.com
It's more a race for money that will fill government coffers without burdening its citizens, ie., higher taxes. Thus, able to provide more government assistance to its citizens.
A key to corruption-free casinos is monitoring, detecting and prosecution of casino corrupt activities. Even Chinese citizens among the world's most prolific gamblers get ensnared by foreign casino corruption. So before Thailand rushes to casino riches, it must have in place an uncorruptible system in place. That is the real challenge.