The best we can say is that if there is a strong consensus among experts that it is, to the best of our current knowledge, correct.
It's at least more correct than someone with zero training in that field. Dissenting opinions among experts should also be considered, by such experts, and the points at which they disagree with the logic or knowledge carefully examined by all.
It's at least more correct than someone with zero training in that field. Dissenting opinions among experts should also be considered, by such experts, and the points at which they disagree with the logic or knowledge carefully examined by all.