Plus they probably didn't know if it was kosher or not. It is an awards show and awards shows sometimes do silly things, and as a sound guy you probably don't want to just go ahead and make the executive decision to cut this guy if you aren't sure or not and if you are TV producer then you probably don't want Kanye to rant for too long and just insult this girl, but also you want people watching your show. Kanye's rant has, I think, had a positive impact on on the advertising potential of future awards broadcasts.