I mean, I liked him initially but they totally turned me off of him in pretty quick order. I'm starting to enjoy him again now that he's no longer feuding with Triple H, Strowman and especially Lesnar. I think he works better against smaller guys. Nonetheless, he was severely forced, as he was hardly ever over as a singles star to begin with, and somehow they decided he should get the biggest of pushes. End of the day, he just didn't work as the top face or even come close to it. Rollins has critics and he himself isn't "top face" over but he's sure as hell getting better results than Reigns at it.Fans for sure turned on him, nut I could never relate. I always enjoyed him and thought he made matches big deals.
Having said all that, I don't put too much of it on Reigns. Same as Rollins, I think either guy is only going to succeed if WWE lets them. They aren't transcendent talents like Bryan and Styles but they're talented enough to thrive if they just book them right.