I've spent as much as $40,000 on a single Dell Intel based PC server, and then stuck Linux on it. Am I a cheapskate? I guess I could have spent $500,000 on a Sun and ran Solaris. Maybe he has a point.
But I disagree that Linux users demand the source code from game developers. Nobody is screaming at the existing proprietary game developers that have games ported to Linux for the source. I don't have any problem with Game developers porting their games to Linux and not giving me the source (as long as they don't use GPL code within their game and write all of their own code from scratch). It would be an added pleasure if they did but it isn't necessary.