no he didn't. You need permission from the Malaysian government and enter state quarantine unless your a short term business visitor staying less than 14 days and then quarantine can be waived in certain states
'The 14-day quarantine period would remain in places for arrivals from countries where the Covid-19 virus has mutated, which is a global concern', Dr Taweesilp said.
As the US has now moved to Evisa application, like other country's that have moved to it, I would very much doubt non US citizens or those without leave to remain, can apply for Thai visas in the US any longer
you also will require a vaccination certificate to drop it to 7 days....there is, at this time, no such thing being issued by any government outside of Israel