Just because a claim is made by an expert or authority, does not mean the claim is trustworthy.
Many claims in management are made by (so-called) experts, famous management gurus, or prestigious consulting firms. However, even experts with many years of experience are bad at assessing the harms and benefits of an intervention.
Just because a claim is made by an expert or authority, or comes from a well-respected source, you cannot be sure that it is trustworthy – especially when their judgment is not based on evidence that involves a fair comparison of interventions
of claims made by experts or authorities, they can be misleading (or even plain wrong)