It's epistemology 101. Absolute truth can never be determined. So we must inherently use imperfect method of approximating the truth. Those approximations ar

It's epistemology 101. Absolute truth can never be determined. So we must inherently use imperfect method of approximating the truth. Those approximations are open to criticism, so any system that determines fake news will necessarily have to take a 'stance' in some situations: it will politicize and reflect the biases of those administrating the system.