Let's accept (for the sake of argument) that open source is better than closed source. Then it seems like that would imply running proprietary games on an open

Let's accept (for the sake of argument) that open source is better than closed source. Then it seems like that would imply running proprietary games on an open-source OS would be better than running proprietary games on a proprietary OS. So RMS should be praising Valve's Linux experiments as a step in the right direction, not complaining because that step doesn't go far enough.