Christian really is not the greatest human being to exist this side of Hugh Hefner, Thomas Jefferson, Albert Einstein, Marcus Tullius Cicero and Aristotle.
Though John Cena's character is stale, it is not at stale as Steve Austin became by spring 2002 (well after he turned face following his '01 heel run). You may not like it as much, it may not be as intrinsically entertaining, but his character fits into today's product like a perfect puzzle piece; by that point, Austin seemed like a ruler without a proper kingdom. WWE was already beginning to shift into the Brand Extension and "Ruthless Aggression" Era, and Austin's character, though still hotly popular, felt vaguely disconnected from the changing of the guard. He was still a Massive Mega-Star, but artistically-speaking, his character had become quite drained of its natural vitality by this point in time.
Finish of Summerslam 2010 notwithstanding, SuperCena isn't as "super"/indestructible as he once was. I'd say the turning point was his return from injury in 2008 and subsequent losing streak of sorts.
Chris Jericho is a phenomenal worker in nearly all aspects, but he's among the worst in one area and that is punching. Watch Arn Anderson, Terry Funk, Mick Foley and even Triple H tapes, Chris!
As a singles worker, Shelton Benjamin had astounding athleticism, and little else.
Hornswoggle has his uses, there I said it. They don't include what WWE did with him at The Royal Rumble (at least for not as long as they did), but I understand why he's employed.
Vulgarity and "darkness" do not necessarily = good. Good = good. Bad = bad. The Attitude Era had some elements to it that could have, under scrutiny, been the groundwork for an acclaimed HBO series, and it also had a whole lot of elements to it that were insipid and, humorously, genuinely childish/immature/in simple poor taste.
Some guys are actually better off as faces.
Being popular with children should not be a mortal sin, even on the Internet.
Tyler Reks is kind of a decent worker.
Despite everything he's done for WWE, it will be a net positive for the company when Undertaker finally retires.