I was told by someone at the US embassy that 99.7% of tourist and student visas are turned down. And he also said it helps if she is wealthy, or has major property holdings here. My wife was turned down for every visa request, until we got married. Then all they asked to see was my passport, and a 10 year, multiple entry was approved.
Shame him to no end. On Facebook, Twitter, Instagram and wherever you can. Talk to his parents, his siblings, his associates, his wife, his daughters. Make his life a living hell. Only then you might collect, just so he can regain his lost life.
A near total decimation of the industry, through a combination of cowardice, ignorance and hubris. It could take many years to recover. Is Thailand being forgotten? You decide.