Also keep in mind it is only for python packages, not applications--the primary benefit is that it is impossible for the tests to access files that are not part of the package build.
You can also just scroll down on the ranking page. Well worth reading. He laments that we as a society have lost our appetite for great media. Adroit exploration of a conceptual space, which is what One Punch Man does so incredibly well, is a feature of goodness, but it needs more to elevate it to true greatness. I agree with this.
My position however is that the economics of media production ensure that very little of it will ever be great. Greatness must be driven by vision, and placing mountains of resources at the sole command of one dictatorial visionary will always be a hard sell, and doesn't even ensure that you'll end up with actual greatness. For every Stanley Kubrick you have a dozen Michael Bays.