I wonder, what are the odds of success if someone starts a paid social network say for 5$/month. Ad-free, no-snopping, secure social network. E.g. Diaspora pod

I wonder, what are the odds of success if someone starts a paid social network say for 5$/month. Ad-free, no-snopping, secure social network. E.g. Diaspora pod with good UI and more features. Would you be willing to pay for it?