It seems relatively clear that he's quite new to both languages, with maybe a few weeks worth of familiarity if not less.
From his rookie mistake of using path package instead of path/filepath to join system file paths [1], to non idiomatic naming with underscores, and what he describes in general.
It's interesting from the perspective of what a fresh perspective on both languages is, but the comments have less value once you've spent significant time with either language and used them to build large projects.
[1] https://gist.github.com/adamhjk/5a475b8dd45971a4e814#comment...