I think it was because of the type of people who were early adopters. Essentially, he thought it would produce a better class of discussion. EDIT: from his int

I think it was because of the type of people who were early adopters. Essentially, he thought it would produce a better class of discussion. EDIT: from his interview: 'I tried G+ for a while, because the people on it weren't the mindless usual stuff, but it obviously never went anywhere'