It’s basically a consequence of us not having any national ID card. Many people don’t have driver’s licenses (whose requirements vary by state), most people do

It’s basically a consequence of us not having any national ID card. Many people don’t have driver’s licenses (whose requirements vary by state), most people don’t have valid passports, etc. If we had an ID card that every citizen would be reasonably expected to have and there was a nationally standardized way of getting it, then of course it would make sense to require that ID to vote.