#3 To not have Angle regain his position
We all know that Kurt Angle is supposed to be the General Manager of RAW. However, he was sent home by Stephanie McMahon, not long ago. Constable Corbin assumed his role and has been doing a great job as a heel character. But then, Stephanie McMahon hasn't been too happy with his recent performance.
McMahon has constantly been urging him to prove his mettle as RAW General Manager. Corbin assured her that he had things under control. And with this clean sweep, he certainly does have things under control at least for the immediate time being.
A female WWE star said her life is in danger. Details HERE
This means that Angle may not come back as an authority figure. Which could lead to an eventual WrestleMania 35 match.
Corbin vs. Angle has had a long build and could have a big payoff too.