This is just flat out wrong, and pretty gross.
The purpose of the law is to protect people. Not white people, not land-owning people, not smart people, not literate people, not able-bodied people, not "reasonable" people. People. Full stop.
Assuming people are reasonable is a recipe for disaster, and ablest. Perhaps one day someone you know will get dementia, or have a stroke, or get macular degeneration, or any of the number of ailments that can relieve you of your ability to read and comprehend long texts, lists, and warnings, then maybe you will understand how ridiculous this view is.