"What *you* want, though, is a central system to tie in everything I do to that number. "
Correct.
This is Tony Blairs "National Identity Register" back end re-born (some might think it never died, and in the minds of the senior civil servants who think it's a great idea it never did).
IOW a cradle-to-grave surveillance system.
The wet dream of every Authoritarian politician who demands to know what people are doing 24/7/365 forever.