People who want to show off their mindless slop ought to be shamed for wasting other peoples' time.

I was really hoping to see something interesting as I learned to code from a similar book of basic games.

Well, let's be careful about that. The owner of the repository probably didn't ask for it to be submitted to HN and probably wasn't looking for public attention; perhaps they were merely playing around. The onus is strictly on the submitter here.