Verified answer

Because WWE doesn't want him two.

He doesn't use the Pepsi Twist because it would mess up his knees.

IDK about the anaconda vise.

I think he uses "welcome to chigago MOFO" as a sidemove

Because VINCE doesn't want him to.

I mean of course he wouldn't let CM Punk's top rope pedigree outshine his son-in-law's regular pedigree.

WWE asked him to stop because those moves were "unprofessional" or too "dangerous"