This should have been obvious for anyone who is paying attention.
When data collection and advertising companies such as Facebook (and Google) push a feature actually beneficial to users so aggressively – such as 2FA – during the sign-up process; you'd have to be naive to think it's for your benefit.
It's not 2007 any more... tech savvy users should know better than to trust such organisations with any scrap of additional personal information than absolutely necessary.
Tech savvy or not, really there's no way any current fb user would be concerned with it nowdays and they will continue to rat you out to the fb apparatus. You know how they say "ignorance is a bliss".
When data collection and advertising companies such as Facebook (and Google) push a feature actually beneficial to users so aggressively – such as 2FA – during the sign-up process; you'd have to be naive to think it's for your benefit.
It's not 2007 any more... tech savvy users should know better than to trust such organisations with any scrap of additional personal information than absolutely necessary.