That headline is cringe to it's core, but that aside, who would possibly be an opponent of this concept? I thought it was just universally understood that our individual senses can lie to us and that collective reality with repeatable experimentation is our only source for basis in fact.
FFS as a species we've been recording this same conversation towards this same conclusion for thousands of years.
Nobody discovered fuck all with this assertion.
EDIT: I shouldn't have come on this strong, my apologies, it's perfectly fine to study and reiterate this work and it's good that they're tying it to modern historic examples.