“And I have no doubt that every new example will succeed, as every past one has done, in shewing that religion & Govt will both exist in greater purity, the less they are mixed together.”
~ James Madison, letter to Edward Livingston, July 10, 1822
Regardless, the ID is free for those who cannot afford it, as is the documentation. I recently needed mine and the first words out of the clerk's mouth were, if you can show you can't afford the $20 fee it will be waived.
Also, how do those folks cash checks, have a bank account, buy liquor, get their social services? All require documents and/or ID.