I've used click [1] a lot to build Python tooling scripts the past few years. Click usage is "sort of" similar to the author's proposed solution. There's also a small section here [2] that describes some of the issues covered in the article (in context of argparse).

[1] - https://github.com/pallets/click [2] - https://click.palletsprojects.com/en/8.1.x/why/#why-not-argp...