The trouble is, we've created mind-bogglingly complex economic and political systems which we cannot model quantitatively with our current means. These are not

The trouble is, we've created mind-bogglingly complex economic and political systems which we cannot model quantitatively with our current means. These are not deterministic systems unless all variables and moving parts are taken into account. Objective truths on more abstract topics are therefore replaced with speculation based on personal bias and experiences. It might be true based on your experience, but your experience is not representative of the whole system, it is a product of your location in space and time.