Different cultures, different ways. He certainly doesn't seem to be abusing them. Ever see a rat breeder toss a rat into a bin? What's the difference? Ever toss a rat or mouse yourself? And you're better than this guy why?
Almost everything is eaten by someone in Asia. It's also not America.
Ever hear of Sweetwater Tex.? Rattlesnake roundups? Now THAT'S cruelty, waste, greed and human stupidy glorified. If you really feel strongly about snakes being abused, do something about roundups here. Dumping on the foreign guy for showing, and probably not being totally fluent in English, what goes on in other places merely exemplifies the ignorance we Americans are so often accused of wearing like armor.
Let's be serious for a moment. How many of you would even get IN that pit with all those cobras? It's his job, apparently, and he seems to not only have been doing it well, but for quite some time. With cobras, even mellow ones, that has to say something positive about the guy.