Isn't this a semantic argument? There's really not much of a difference between "getting rid of the NSA" and "reforming the NSA by kicking out anyone in any way involved in the spying scandals and drastically overhauling the rules and oversight." Either way, you're getting rid of anything recognizable as the current NSA, and it doesn't really matter what you call the new agency that performs the legitimate tasks that the NSA is supposed to perform.