I dislike Facebook but I kind of feel sorry for them now because any ambitious thing that they'll attempt will probably be blocked by governments now. Facebook and Zuckerberg deserves it though.
After a company grows beyond its ability to maintain order within its own activities, it should always prune down toward its essential businesses and reform itself before the next stage of growth. Facebook is trying to do the opposite by extending to currency instead of resolving its existing problems.
I don't feel sorry for Zuckerberg.