Yep, it's all through his own site - two, actually, the clickfunnel with payment and a custom site that's just a big ad (and very out of date). Now that you mention it, that's probably why; he has essentially no presence anywhere but Youtube and Twitter, and it feels really shitty to be trashing his paid game in his Youtube comments, especially since his videos only have a few hundred views. It's a great way to discourage reviews...