Roman Reigns has been abandoned by the internet community, but why has he? He has the look, he has the power, he has the pedigree, what he doesn't have is the IWC. Roman needs to find his Empire, and he needs to find it FAST. You do not win over fans by insulting them, it didn't happen with Batista or Bobby Lashley and it won't happen with Reigns unless they change his package. You cannot expect a large man to get over just by being a giant, its not the 1980s anymore.
In all honesty, he is good enough to become the next WWE Champion and maybe even the face of the franchise. If you let him train and decrease his workload, Roman is talented enough to gain a better big man move-set. The mic issues are huge in comparison: all of the top guys currently are good on the mic or have a manager that can put them over. If they want to continue his angle of "One Versus All", he needs to learn to stand on his own without a manager. You can fix his mic problems by taking him out of the main event picture and let him practice his promos at house shows and the mid-card, until he is ready to go up against the Paul Heymans of the WWE. If you can get his move-set up to his hype and show him improving on his mic skills, then that fixes his biggest obstacle: winning over the fans and if he can be put out of the spotlight until he is ready... then he could be one of the top guys for the next decade and beyond.
Believe That.