[throwaway5250]

tldr: The half of the country that voted for the current President are all awful, stupid people, and they spend their time reading awful, stupid websites.

[Jeff_Brown]

And the social network business model leads them to validate and reinforce each others' worst tendencies.

[throwaway5250]

My point was that this looks quite the same from the other side of the aisle.

More damningly, that article has nothing useful to add beyond ad hominems. Instead, try this: https://heterodoxacademy.org/social-science-hidden-tribes/