I entirely understand why this change was picked and will maintain it was a bad choice. However, I don’t think I can fault them for doing that when the alternative would take significantly more time and effort and detract from the point they were trying to make, which is the steps necessary to make a pull request and not the expected content of one. Given the results, however, I would very much appreciate it if the author of the first video made another one which filled in the gaps of their first one.
Well, I'm considering it in the context of a YouTube video, where there's a length limit and such. Usually you get around this by actually doing the work beforehand and swapping it out, or doing something simple and then saying that this isn't actually representative which is easier and doesn't require a cut but can lead to the issue we see here. Again, I can't fault them for choosing to do this, but I can still say it ended up being a poor choice.
He still could have prepared a legitimate pull request in advance. It was a terrible example, and the more I read about it, the more I think it was intentional and never had the intention to help Open Source projects in any way.