Around 9% of US citizens 18 or older do not have a non-expired driver's license. It's even more for various minorities [1][2].
[1] https://cdce.umd.edu/sites/cdce.umd.edu/files/pubs/Voter%20I...
[2] https://papersplease.org/wp/2024/06/07/who-lacks-id-in-ameri...
I only mentioned DMVs to point out that even if you didn't set out to get a voting document, you can still check the box and get it.
In other words, it's not "people need driver's licenses to vote".