Every person has a personal responsibility to evaluate these things. You do so by your own standard: you set the evidence threshold to determine whether or not these things (still) persuade you.
Comparative evaluation standard:
you see a traffic sign and evaluate it. At face value, you know that sign came from the government, even though:
Whether or not you reckon with this Creator is a different question that concerns risk (chance x effect) assessment and the acceptance of that risk.