His argument is a fallacy. A parking lot attendant or janitor does not require even a high school education. So does that mean we should stop investing in high

His argument is a fallacy. A parking lot attendant or janitor does not require even a high school education. So does that mean we should stop investing in high school education too? There are always exceptional people outside the normal parameters. But the higher the level of education in any social group the better off the entire group will be in the long term, whatever the individual variations.