#3 The WWE
Another thing that will be affected by WWE continuing to push Roman Reigns will be the company's bottom line, which will most likely suffer as a result of Reigns's push Not only is that evident by the response to Reign's match against Samoa Joe at Backlash, but also by their disinterest in the main event of Raw last week.
In the end, ratings will suffer, attendance will suffer and overall interest will suffer as a result of WWE's plan to push Roman Reigns, but it doesn't seem like WWE cares at all. Of course they might once they have a long spell of loses to their bottom line and less negotiating power with a potential tv deal, but even then McMahon might be stuck in his ways.
Then again, maybe Triple H can convince McMahon to let him win the company, which would most likely result in Reign's push ending. Now that doesn't mean Triple H won't push Reigns in the future, especially since he was one of the original NXT guys and a member of the Shield, but the plan to push him will be scrapped until the right opportunity arises.