"It never seems to have occurred to them that their advertising engines could also be used to deliver precisely targeted ideological and political messages to voters. Hence the obvious question: how could such smart people be so stupid?"

"We are now beginning to see the consequences of the dominance of this half-educated elite. As one perceptive observer Bob O’Donnell puts it, “a liberal arts major familiar with works like Alexis de Tocqueville’s Democracy in America, John Stuart Mill’s On Liberty, or even the work of ancient Greek historians, might have been able to recognise much sooner the potential for the ‘tyranny of the majority’ or other disconcerting sociological phenomena that are embedded into the very nature of today’s social media platforms."

https://www.theguardian.com/commentisfree/2017/nov/19/how-tech-leaders-delivered-us-into-evil-john-naughton