Outside of the Wyatt thing I like the build, playing off Ziggler being the underdog and being all in gunning for the gold.
It could lead to a heel turn, but if he kicks Ambrose in the nads to win or gets frustrated to turn heel later, it could be coming!
The heel turn at Summerslam does sound kinda lame though. Don't really need a non-credible champion - especially with Cena just around the corner