It seems like so many of the people who comprise the "powers-that-be" are also buying bitcoin as a backup plan. There isn't really any organized opposition to bitcoin in the west it feels like, just individuals hating on it. I don't see what would actually stop it from being "legit" at this point
There is so much opportunity in it, that most people with half a brain are going to hedge - those that have half a brain and aren't are using the other half for their thinking.