In the video, at glance, the responsibility may appear to have shifted from all parties to users, which, however, is, I think, partially because TB has his concerns about the unigonrable influence of consumer votes: if you buy something, you are voting for the market and partially because the majority of his audiences are gamers/users. That said, to my ears, basically, he sounds to think all the parties are responsible: Steam needs to direct their users useful information rather than just trying to avoid their responsibility, the devs should write the info with human language rather than mass of technical jargon, mass media shouldn't treat SEA games as if they were final products (since they are obviously not). He definitely doesn't sound to think the problem lies in Early Access itself, so, I took it the main issue is communication among the parties involved.
