Let's be fair to
Flair Bray.
Kane the Undertaker was a ridiculous gimmick. When he debuted he had great big purple gloves and a K-mart tie.
Along with the other gag gimmicks of the era, we were expected to believe that Kane the Undertaker was a creature of the underworld; i.e. like a Zombie or a Vampire.
That explained his reverse-hulking ability; i.e. he would "rise from the dead" after a babyface hit him with a devastating move.
Yet they gave Kane the Undertaker time to sharpen his mic work and develop his gimmick. He dropped the "Kane" part of his name and he leaned on his manager as the Vince and the booker's figured out how to depict him.
Bray has none of those luxuries.
His mic skills have devolved because he has nothing to talk about.
His ring work has fallen but that's in part due to the fact that he's got no purpose. Brey is a cult leader, he should be DQ'd left and right.
However, he should always emerge at the end of his match by beating down his opponent.
Finally, Brey's character was booked as if he were the manager. He was the inspirational head of his family. If you take his family away you have to redefine his persona.
He isn't ruined, but they are sullying his gimmick.
He can't be the new Undertaker when he has no UT like qualities.
Not a special in-ring talent
Nowhere near the level of character commitment
Nowhere near as captivating a presence
Nowhere near the physical look of UT
He really is a fat dude with a lot of good production around him, he was better fitted at Husky Harris.