to be fair, he's polluting Google (and possibly other search engines). Without Google returning his site as one of the possible results for that keyphrase, you'd have no idea his site existed.
Most people conflate "the internet" with what Google shows us when we search for things. The bigger issue is that an exact match keyword domain ranks ridiculously well in Google and yet they know that and aren't changing anything. $9 stands between you and a top 10 ranking for the majority of low competition keywords.
That's a fair point, but those were the OP's words. The important thing is that he's polluting the area (search engines) in which people might encounter his site.
Most people conflate "the internet" with what Google shows us when we search for things. The bigger issue is that an exact match keyword domain ranks ridiculously well in Google and yet they know that and aren't changing anything. $9 stands between you and a top 10 ranking for the majority of low competition keywords.