FB is primarly a social network, that is a simple fact.
A study says seventy per cent of all actions on social networking sites are related to viewing pictures or viewing other people's profiles (so, now you know how you get so many comments
http://www.sify.com/news/facebook-is-for-losers-news-offbeat-kewuxBehihc.html
I was pointing out positives because you see it only as a negative with nothing positive.
As for it being primarily a social network - so what? That is often what going to work or shopping or even church is.
Your participation in this discussion is no different than the discussion I had on a newspaper comment section earlier today - and that newspaper utilizes FB for its comment section. Of course that discussion was about voter ID laws.