You think Spotify is going to cancel their sweetheart deal with Facebook because some random blogger said Facebook-only logins are bad? Of course, I would love

You think Spotify is going to cancel their sweetheart deal with Facebook because some random blogger said Facebook-only logins are bad? Of course, I would love to see some actual numbers on whether it was worth it for Spotify (I suspect it was), but my point is that's a bit of a special case.