So your plan is for Ryback - a guy that looks and moves like Goldberg - to go on a huge undefeated streak and win the title? This guy already gets enough comparisons to a guy that most WWE fans think was an overrated talent, and you want to add to that list? That would be the WORST thing you could do for him long-term.
The WWE needs to concentrate on getting its audience to stop the Goldberg chants while he wrestles - and I don't just mean drowning them out on the TV feed. They need to add differences between this character and Ryback. If they hot-shot him to the title scene before doing that, then the crowd will just shit on him as a regurgitation of Goldberg.
Exactly. Your "idea" -- which is vanilla and didn't offer very many details at all -- is pretty much the exact script Goldberg had. The Goldberg chants are dumb enough, but they're only going to magnify if you go the undefeated World Champion route.