How does the "bias" that subconsciously exists in our mind is addressed in natural philosophy because it is one of the most difficult things to get rid of. In any school of thought, some perform, some perform better, some perform brilliantly and some don't perform at all. But, if two individuals perform equally well, and if there is only one prize to give, how does one decide without any "bias"?
So, in brief, what kind of behaviour should we have while assessing a scientific event – "Rational Behaviour", where the prize is decided based on pure logic or "Moral Behaviour" where the prize goes to only that individual who performs but also has a moral conduct and not to the other who only performs but is immoral. That is, his immoral conduct creates a "bias" in our mind against him for an event that is purely scientific in nature and morality has nothing to do with it.