What I'm missing from the article is that Bitcoin often is seen as the "reserve currency" of the cryptocurrency world. Bitcoin might not be superior technology wise, but it is the de facto standard for trading other cryptocurrencies.
Ethereum and NEO for example enable developers to build smart contracts (Dapps) with real-life use cases.
Musiccoin tries to solve unfair royalty payouts in the music industry.
There are so many new initiatived, and I'm convinced we are only at the very start of this blockchain revolution.