Plus with Umaga losing his belt on Raw(and not on a PPV show),just means that he is up for the ECW belt.
This way they(the WWE),don't have a dual champion,and than have some dumbass tournament to determine a new IC champ.
Its a quick and easy solution to an easier question,PLUS,they can always disgard this Santini guy if he doesn't work out that well for them,and call it a HUGE fluke...Oh yeah,and Vince could always go back and change the record books like he did for WM,giving hisself the win,even though the fans know better.