Having personally been on the fringe of "high functioning" alcoholism on a few occasions, I don't think the comparison works. Alcoholism is inherently negative. Drinking alcohol in moderation may not be extremely harmful, but is still not necessarily great. While I certainly won't tell anyone how to live their life, cutting out alcohol use is still a "good" thing. Even if it's not a problem for you. Edit: I also still drink periodically because I enjoy it.
Internet use is not inherently negative. "Addiction" to the Internet may not be great, but is not necessarily all bad. The tricky thing about Internet use is that it's generally not something with negative social connotations. So even if someone is "binge consuming", one is not likely to feel negative social pressure because of it.
So I ultimately agree that he shouldn't be touting no Internet as a solution for all people, but I can't get behind the Alcoholism comparison.