Profiteering is when run of the mill greed crosses the moral hazard line in a spectrum of greed.

A businessman seeking to acquire obscure companies in order to exploit the sick isn't following some force of nature, he's a disgusting human being. It's no different than swindling refugees or the elderly.

People who do this should be socially shunned, and the government should provide grants or free credit to encourage others to manufacture drugs like this.