When I first ran across Bitcoin in 2010, I thought it was a scam but was intrigued by the tech. After studying it for about a month, I realised it wasn't a scam (though scamsters abound in cryptocurrencies, as in all things money) and went around to my friends in the tech community in my city to show it to them. They know me to be literate in networks and cryptography but only one person in the ten or twelve I approached was equally interested. The rest poopooed Bitcoin, some outright laughing me out of their offices.
Institutional thinking is what kept a lot of smart people from even looking at Bitcoin early on. The findings in this study shouldn't be surprising. In five years, should the internet still be functioning, Bitcoin will be more spread out than it is now.