Yes, I agree. The internet was supposed to be the first decentralized technology and seems to have failed. It did manage to demonstrate disruptive P2P marketplaces of which Uber, Seamless, Airbnb, YouTube, etc. are great examples.
Ultimately those models tend to be less efficient than is possible because they still very much incorporate middlemen platforms and extraneous economic players (like advertisers). It will be interesting to see if decentralized platforms can provide the ultimate efficiency.
RE: Disruptive technologies, speculative capital, and Thinking Big about Steemit