Is it? That question is just as open as it is for Twitter, and given the order of magnitude differences in inefficiency of a blockchain versus Twitter there still remains the question of why people would burn electricity just to act as DRM for corporate trademarks.
This is an interesting technical hack in the same way as using Emscripten to run a GameBoy emulator in a Linux running on a toaster perhaps, but no one buys toasters for the purpose of playing GameBoy games.