Apparently he's trying to say that Ubuntu is very popular for the casual Linux user. Ok, that's an easy call. But in his comparison with Debian, Fedora and Suse, he says Debian doesn't release fast enough, Fedora has "community relations issues" and "SuSE 10 was strong, 10.1 was not too impressive, and I have not had enough time to take their latest release for a solid test drive..."
Umm...well that's one hell of a comparison there.
"RPM Based Distros Are Simply Not Popular With Newer Users
Add on top of all that, it's in their "Reviews" section. This was a review of what? Random words on a page? Then it ends up on the Slashdot front page...funny.