Because he had his facebook.

When you outsource you usually lose in resiliency.

The same reason no one else on these platforms asks for backup contact details...

These platforms make everything so easy, so additively easy, and it's awkward and difficult to ask for methods of contact outside of the platform or even any other kinds of backups.

Almost as difficult as someone who's never used, and refuses to use these platforms.

Because no one uses email anymore? How old are you?