It's less about verifying ID, and more about trusting them to be responsible with the documents.
If they have a human assess the ID right away, and delete the file once that person's identity has been assessed, that's probably safe. But let's face it, they probably store it somewhere, and when they inevitably get hacked now everyone's driver's license (with their state ID number, address, and DoB) is for sale on the dark web. There is enough info on your State Drivers' License to open credit accounts, particularly if you forge some documents as well.