I believe people are going crazy not only because of its new features. Yes, given the fact that Bitcoin has lots of advantages but I believe that people went crazy when they saw how fast Bitcoin increases its value. Some people are too eager to earn. Some of them jump in because they don't want to miss out on the opportunity to earn big time.
There are a lot of countries in the world, and each of them is approaching the disruptive technology of cryptocurrency from a different angle. For some it's an investment, for others it's predominantly disruptive technology, and for others, it's seen as a secure, decentralised hedge against a financial establishment.