How not to respond to pull requests
github.com
github.com
To be fair, he looks to have had a pretty bad experience with other people doing in-line file changes straight from Github and trying to push them through as PR's (see the other open PR). He was probably just frustrated and lashing out. He needs a CONTRIBUTING.md in his root to explain his preferences.
It's definitely not the norm, but if it were my project I would appreciate the working example. You can pull that changeset into your own repo (probably another branch or something) from the command line and test it out without merging the PR.