Driver's licenses served other purposes.
It's used to check credit scores, find driving infractions, engage in wage theft, or misuse residency to underpay -- all things that rarely had anything to do with job responsibilities.
It's used to sift out candidates. Fewer wheelchair users have a drivers license. Ditto the working poor, disabled, or unhoused.
Employers avoid hiring candidates who might ask for WFH or get stuck in traffic frequently.