Quoted ad nauseam on HN but always fitting: <i>It is difficult to get a man to understand something, when his salary depends upon his not understanding it.</i><p><a href="https:&#x2F;&#x2F;en.wikiquote.org&#x2F;wiki&#x2F;Upton_Sinclair#Quotes" rel="nofollow">https:&#x2F;&#x2F;en.wikiquote.org&#x2F;wiki&#x2F;Upton_Sinclair#Quotes</a>