[ALittleLight]

One big challenge I see with this is that it will attract people who struggle to make friends. A club of lonely men seems like a place I would be embarrassed to go to and hesitant to make friends at. Usually friends have more to recommend them than loneliness.

[kilroy123]

That's exactly how meetups always felt to me.

[rchaud]

In economics, this is known as the problem of adverse selection.