Every fighter and great champion has lower level top 10s on their resume. Its just part of the fight game, some top 10 guys are a lower level, but still top 10. I never said, Coleman was ranked the second time, I was pretty clear when I said the second time it was whatever, come on, try and keep up. It hasn't been proven on here, from what I see you just posted rankings without Gary. But there are other rankings that had him. You just gotta leave that alone.
Werdum had inconsistent competition, the only time he fought a string of higher ranked opponents was on his title run. Hendo in Pride same thing, look at Hendos resume it has opponents like Shoji, Oyama, Gracie, Kondo, Gono etc. Both those guys you mentioned had similar competition to Fedor, they just lost cause they weren't as good as him. Fedor having a few cans and lower ranked opponents make his streak look better, yes, but it's still very impressive what he did in his streak outside of those fights. Cans and lower ranked fighter or not, every time a fighter steps in to fight he can lose. So those fights are just bonuses to an already impressive run of performances vs many good fighters.
So yes, you are correct that those names makes his run look better than it actually is. And if you replace say 6 guys with higher level opponents, sure it increases the chances of a loss. But take those names out, and it's still pretty dam impressive just considering the good comp he fought and the opponents early on.