if you knew how the algorithm worked then you could bias it. Keeping the sauce secret allows us to impose our neutrality on the world. I encourage you to use it and evaluate its neutrality. Criticism welcome.
A big source of bias is deciding what to report on, as well as how to tell the story. For this reason I also like the idea of “you might also want to read X with a different but related story”. But you would need to get a wide set of sources for X perhaps tens of thousands of outlets.