Even if they could profit by hoarding such drugs, what's going to prevent people from manufacturing the same thing elsewhere? It's just like software "piracy":

Even if they could profit by hoarding such drugs, what's going to prevent people from manufacturing the same thing elsewhere? It's just like software "piracy": once the information gets out, there's no way to stop it. Drugs aren't that difficult to manufacture, which is why lots of pharmaceuticals are manufactured, ignoring patent protections, in places like India.