oh, he put guys like angle, goldberg, and taker over when he was still a regular? That's great...now that he has the opportunity to pass the torch to younger talent who arent as established as guys like Goldberg and Angle, he's slapping them in the face by asking for a selfish title run.
You can't compare The Rock with Chris Jericho. Jericho returns almost every year and wrestles hundreds of matches if you count also house shows. The Rock returned just 2 years ago, and if you count his matches at EC and WrestleMania it will be only 5 matches in 2 years since he returned, he will probably lose the title against John Cena and that's it. He will have a tiny 2 months title reign that will go down in history like Hogan's title run in 2002 or Bret Hart's US title run in WWE and that's it, a short WWE title reign for one of the greatest WWE superstars that will not harm the business in any way, The Rock will actually only bring more prestige to the title.
What if the Rock hasn't returned? Would you be more happy that super Cena has won the title for the 345th time from Punk at the Rumble? Or Dolph Ziggler where you would probably mark out only to see him lose it after just 2 months?
If the Rock appeared and wrestles in WWE so many times like Jericho you would have a point but he will have only 5 matches in only 2 years, only 3 of them are for the title and it will consists only of 1 title win, 1 defence and 1 loss.
Jericho knows that because he appears more often in WWE than the Rock that he would be used different than the Rock, if he appeared so many times but wrestled for the title and is constantly in the main event he knows that he would be soon more hated than John Cena and a 20 times world champion so you can't compare Jericho, Kane or Mark Henry with Rock, Lesnar or Austin who don't appear very often