It covers the sober and reasonable cases. I think the main thing this enumeration does is to provide alternatives to the hyperbolic notion of “cryptocurrency/blockchain is taking over the world and even the big investment banks are going in on it”, with either the bullish “this means it’s a real economic revolution” or the bearish “this means we’re at the peak of the bubble and the big banks are losing their minds and threatening the world economy again” subtexts to it.