“I actually am not sure we shouldn’t be regulated”

Source: Mark Zuckerberg is actually not sure
Like most industries, something happens that leads to regulation. And like most industries, those being regulated end up largely writing their own regulations in such a way to favor the incumbents in the industry. If regulations are introduced, Facebook will likely shape those regulations to favor itself.
Later, he puts his faith in AI and algorithms that will be able to gauge everything about what is posted online.