It's faster, on less resources, does what Adblock and Ghostery does, and is so far void of any dubious business model.
Back on topic, I believe the author points out things that you need to be aware of, especially if you use tor. They made the Tor Browser for a reason. Use it!
More accurately it was about importing code changes manually without attribution, thus forfeiting authorship info in the commits. I believe it's all resolved now. The person is a kid (to me), I had no idea, so when I learned this I see this differently now, he was just being misguided. I originally thought I was dealing with a fully grown adult, so I did not hold back on the criticism. My own mistake was to not consider I was maybe dealing with such a young person.