OH! So if a criminal can abuse something, it shouldn't exist?
My God, by that idiotic notion, there is no science or art than can be lawfully practiced in your world.
I said, "why don't we put these things on a birth certificate" and get it over with. EVERYONE'S data would get into the system as a matter of course. Within a few generations EVERYONE would be there. You seem to still hold some reservations about collecting this data from EVERYONE.
You asked me how a birth certificate could be misused.
I told you someone else could use it. You then say that I say "it" (whatever you mean by "it") shouldn't exist. What "it"? Birth certificates? Biometrics? You say that a criminal would abuse "it"? Or are you talking about two different "its"???