That's... quite tasteless, really.
I believe JWZ was the first to link to the Free Software Song with the text [why cooperation with RMS is impossible](http://www.gnu.org/music/free-software-song.html), expressing a similar sentiment with more erudite snark.
Although I agree he can be difficult to get along with, I appreciate the movement he began and benefit from it daily in the form of Ubuntu and Fedora, so no complaints from me.