I read both articles but it isn't very convincing. He goes on to point out the 150 different companies and projects that solve the same things as bitcoin/ eth. However, instead of a million different 'endpoints' there's one its self-contained. You have this extremely powerful technology that has the ability to do all of these different things that have taken hundreds of thousands of people 20 years to make. Eth has done that in 7 years with a fraction of the resources. As adoption grows so will the development speed.

There is one sustainable use case for pseudoanonymous distributed ledger currencies, and that's as the de facto currency for illegal online marketplaces! If you're goal is to subvert AML/KYC, you've found what you're looking for, until the authorities find you...