It is pointed out in the article that The Long Walk was published 19 years (29 actually) before the first Susan Collins Hunger Games book. It is also pointed out that the Hunger Games was the first to the screen, hence the comparison that people will draw.

Calling him a metahuman likely because he does not know his (alien) Kryptonian heritage? Johnathon and Martha Kent never told him about the spacecraft he crashed onto Earth in?