Scott Alexander analyzes the unexpected success of political outsiders like Trump and Corbyn, attributing it to growing ideological polarization and anti-establishment sentiment. Longer summary

Scott Alexander explores the rise of outsider political figures like Donald Trump and Jeremy Corbyn, attributing their unexpected success to a growing trend of ideological polarization and distrust of the establishment. He argues that as the political spectrum widens, traditional politicians struggle to balance appealing to their base while remaining electable, creating an opening for candidates who signal their opposition to the establishment. The post compares Trump's and Corbyn's seemingly opposite yet similar rises to power, and suggests this trend might explain other political surprises like Bernie Sanders' popularity and Obama's 2008 victory over Hillary Clinton. Shorter summary