its because your facts are crap Bud, as I pointed out. if they werent then youre saying hes performed better than Ngata and Wilfork the last 2 years. And your "analysis" is flawed further by guys on your list never having graduated to "worth the pick" the level. If all those guys started out with similar stats, and then became big time players, at least youd have a starting point.
A DT doesn't prove his worth by having a few more sacks than the next guy. Stats like that that any boob can pull up on ESPN are really of little use to analyze the position. DT is supposed to be the setup guy to occupy a lot of blockers and offense attention, force plays away from the middle, so other guys around them can make plays that show up on common stats. A far better assessment of what Dareus has done would be looking at a service that considers all the factors that go into quality DT play ... I think someone posted one a while ago from an Irish company that showed Fitz was like 35th overall (or something like that). Be interested how Dareus ranked.
Without that I used my own 2 eyes, and from seeing a lot of Wilfork in his 1st and 2nd years, and some of Ngata, its obvious he hasnt shown anywhere near their promise. Even most of the Dareus supporters on this board concede he's underperformed.