Brains are delicate things…
Authority can give reasons (and evidence) for suggestions/orders. Authority is aware of the power differentials between the expert and layperson and makes every reasonable effort to eliminate or minimise them.
Authoritarianism means hiding behind the cloak of ‘respectability’ and hierarchy, wanting blind obedience; government by technocrats, dismissing dissent as ignorance. Some of the obvious smear words used by authoritarians against opponents they don’t want to engage with are: luddites, anti-progress, “selfish Westerners.”
see also: expertise/authority/competence