All the jobs you've listed are white collar and require a probably at least above average intelligence. The high school dropout you remember from your childhood

All the jobs you've listed are white collar and require a probably at least above average intelligence. The high school dropout you remember from your childhood (the one who sniffed glue and never completely comprehended basic fractions) is not going to be a video game story writer. Once he got his issues in order, he made for a good truck driver though, and was a valuable member of society. I'm afraid it won't be so in the future.