They are starting to move in that direction now. Read the second and third articles. They discuss several countries that are playing with the idea. Also Estonia is considering it I believe and some countries have already moved identities to digital, and are talking about switching that over to blockchain for increased security. Illinois is looking at putting birth certificates on blockchain as well. It's happening all over.

Thanks for the upvote, follow and check out my other posts if you like :) I'll do the same :)

-CryptoRock