Okay, I misremembered a bit. They showed that a tiny portion of people used social login (~3%) and that the gain they thought they'd made with them (fewer forgot password/username issues) was due to an unrelated change. The tiny portion shows that it can't be that important (plus, how many of the 3% that took advantage of it would have left without those buttons?).
I apologize for the misinformation in my first comment, but I think my point remains. That said, I feel similarly to you - I just think that a much smaller portion of people feel that way than you realize.
The study can be found here: http://blog.mailchimp.com/social-login-buttons-arent-worth-i...
I apologize for the misinformation in my first comment, but I think my point remains. That said, I feel similarly to you - I just think that a much smaller portion of people feel that way than you realize.