The US already has a national ID system. What the Federal government can't do is make it mandatory to have a national ID, either directly or constructively through regulation. This matter has been to the Supreme Court many times over several decades and it is a matter of settled law that only the individual States have this authority.

It would require a Constitutional amendment to transfer this authority from the States to the Federal government. Congress can't just ignore the Constitution just because it is inconvenient.

Agreed, this would be a great way to streamline our country's government-controlled digital panopticon.

Some of this is just the nature of American culture. Acceptance/rejection of federal authority is often irrational and leads to this patchwork. For instance, replace this statement with a national gun registry and watch people flip out.

I don’t want the federal government to have control or oversight on my ID. Why would anyone want that?

Not without an equivalent of the GDPR. Our current identification systems (DL#/SSN) are currently being flagrantly abused by the surveillance industry. This needs to be stopped before we go making identification even stronger.