What's wrong with wanting to interact with strangers? We've built entire startups around that - Meetup, GrubWithUs, Couchsurfing, etc, all come to mind.

God didn't come down and carve the Approved And Valid Contexts of Facebook Friending on a piece of rock.

It is very interesting (and scary) how many things that we kludged together on the net that the new generation are finding as "must haves"