>>12934012Confirmation bias, or the subjective nature of proof. Due to axioms not built on induction, you can't veritably demonstrate with absolution that something is correct. Pieces of evidence or data that support your cause can also be used to contradict your cause under a different frame. Also, instincts and the necessity of quick decision making make it more instinctively advantageous to be biased, not to mention people can lie and deceive.
