[junto]

Facebook have got the 'Microsoft problem'. Microsoft is 'hated' by many people, especially in the tech community, because of their historical actions, even if many of their actions today are positive.

Facebook suffers the same fate. Anyone who has left Facebook over privacy concerns is unlikely to trust Facebook again.

Once bitten twice shy. Leopard doesn't change it's spots, etc

[marojejian]

Quite true. There's still a shot for someone else to "win" universal login. But it's nearly impossible without tremendous scale.