Not only this one, the idea and the use of IPFS is really great... I did not know before that one can host websites this way... this is the logical evolution...
DTube might be the best implementation for the moment, but this will also spur competition and other people trying to outcompete it by using Steem as a platform... This is something Youtube can only be jealous of... I think that as Linux outcompetes Windows in many areas (look at Android), there might be even better Website designs... But DTube at the very least will get its place in history, as the first really decentralized video website.
With this I agree with Jerry, that Steem should go to a 100 bucks in the next 2 years...