Its not just about the mainstream inclination but more than that. Futures is actually getting into crypto and theoretically they are turning into bridge between the crypto world and the real world. I mean how many people could have trusted the bitcoin more or less in the near future time? If the futures company and more keep coming like this into the picture then it won't be far that government will also try to get into it and try to implement the thing with the pubic sector. So thats even bigger bonus for the bitcoin and thus more money into bitcoin market.