His site could have failed for a number reasons, such as lack of funding, lack of viral growth (if it was social), or whatever. I think you should be careful not to pick on someone because their startup/project failed. Especially here on HN, where we're supposed to embrace failure.
It's not the fact that he tried and failed (although it is more the fact that he hitched his horse to Kristopher Tate and Zooomr which ended up going nowhere) but more the fact that he so actively disparages (repeatedly) a supposed competitor.
Putting that aside, he's also done this repeatedly to no avail so it is disappointing to say the least to see people pick up and repeat his deeply flawed message.
You might also want to take a look at the following for some perspective on the man behind the persona.
