If I were to run just one of those tools, I'd pick the original article. That's because his plain English description is far better than the others. He starts off with "What & Why?" and explains what problem he's solving; the others jump in with words like "remove all spyware modules".
Even for very technical people, unless we're willing to analyze the source code, a good clear description (and reviews) is how we're going to decide which product to try.
Author of [3] here, you are right, I do skip the what & why, on purpose. I think there a far better places to learn about the whole spyware / telemetry and privacy topic, even better than the original article. [3] is made for admins which already know what they want (and why) to help them kickstart their own setup scripts. They are advised to read the scripts themselves instead of an inaccurate explanation.
I do not intend to sell you the project. (Sell in the sense of talking you into using it. Either it's what you are looking for or you need something different. And I will not waste your valuable time if you need something different.)
Even for very technical people, unless we're willing to analyze the source code, a good clear description (and reviews) is how we're going to decide which product to try.