There are some people who might get angry about ignoring publicWebHosting
opt-in. I don't feel this way but I would want to respect peoples expectations. Having said that, no-one is the boss here. You may just want to consider how to let people opt-out practically if you go ahead with full public.
hmmm... honestly if I were you I would not make it full-public. I think putting it on the web changes the nature of this space too much. There is an expectation of limitation of reach. And making it scrape-able means companies can consume my thoughts and relationships without any accountability, which I think I do feel creeped out by