Facebook Tried to Make Its Platform a Healthier Place. It Got Angrier Instead. – WSJ

A big 2018 algorithm change was designed to encourage positive interaction with friends and family. Company documents show how it had the opposite effect, rewarding outrage and sensationalism. CEO Mark Zuckerberg resisted proposed fixes if it meant harming the business.
— Read on www.wsj.com/articles/facebook-algorithm-change-zuckerberg-11631654215