This sounds like it might be a good idea because it seems like it would remove the incentive to monetize personal information, but in practice it creates a barrier to adoption and makes the social network kinda useless.
I joined a subscription-based social network that was designed for expats [1]. It was by all-accounts well-designed, well-managed and had everything going for it. But no one in my circles are part of it, and the event lists were really thin because the network was really thin (and I live in one of the largest cities in the U.S.). It does "work" for some definitions of work, but it isn't very successful (though there seems to be enough people on it to make it sustainable--I wonder about retention rates past year 1).
I suspect the things on your list were conceived based on your circumscribed experiences and are not what the general market really wants. It could work in a more niche setting, but you'd have a hard time scaling the business model.