Maybe knowing that Kanye is incapable of keeping it under wraps is part of the Trump game.
Maybe Kushner is looking for the VP slot with Kayne. I heard Kanye would only consider white males for the p[osition.
The Clintons thought that Trump would be easy to defeat and that he’d take a fall as had McCain and Romney but it didn’t happen like that.
So do some campaigns encourage the campaigns of other candidates? Sure.