So Betty White hosted SNL this weekend which I hope signals the end of the media scrutiny of "Why Betty White, right now?" I think it's a story that gets dragged out way more than necessary because it seems very cut and dried why Betty White, why now. It is a two-part answer:
A.) Eventually people come to appreciate people who are awesome in general. See: how people feel about Dolly Parton.
B.) Old ladies are like platform heels. They repeatedly come in and out of fashion. I don't want to say that Betty White is a fad per se but just look at some of her predecessors:
So that pretty much explains "Why Betty White, why now?" Oh and also because she slept her way to the top.