Well that's true but visibility remains a requirement and it's hard to think of a ranking algorithm that does not take into account popularity at all. Even if a

Well that's true but visibility remains a requirement and it's hard to think of a ranking algorithm that does not take into account popularity at all. Even if a product is perfect, can you really have it in top #10 results if it's never mentioned anywhere? But then if you take into account popularity / citation frequency / etc. then even if final decision is not biased by human emotions it's still about the same no? (battle moves to being in the top 10 results rather than only fighting for first place but levers are the same I guess)