Thai class is the best option because outside a class it is too difficult to learn Thai unlessyou are extremely lucky in finding friends with the right mindset for language.
So short-term visitors will be allowed to come uninsured, but one-year guests on O-A visa will still need to buy COVID insurance? I guess someone has to keep pumping money to counterbalance the govt's losses of a year ago. Sounds reasonable... (except that the COVID insurance tends to have such a high deductible that it is just about worthless, especially when COVID seems to be comparable now to ordinary flu).
Isn't it a farce? As though they can't accommodate a bill with a tiny tear or blemish. Unbelievable, characteristic inflexibility. May the force be with you all!