Shane McMahon’s surprise World Cup win at WWE Crown Jewel definitely left some wondering the thinking behind the decision and it had nothing to do with The Miz being injured because he isn't. 

Dave Meltzer of Wrestling Observer Newsletter has revealed that the idea is Shane will now be a heel going forward and it was always booked this way. Meltzer also speculates that having Shane as a heel is a way to boost SmackDown's ratings. 

“So the idea is that Shane is going heel and this was , Miz wasn’t hurt. This was all booked to be what it is: the beginning of a Shane McMahon heel turn. You know as far as why you want another hell McMahon authority figure on a show? I guess it’s a response to the declining ratings of SmackDown.”