YouTube Video Recommendations Lead to More Extremist Content for Right-Leaning Users, Researchers Suggest::New research shows that a person’s ideological leaning might affect what videos YouTube’s algorithms recommend to them. For right-leaning users, video recommendations are more likely to come from channels that share political extremism, conspiracy theories and otherwise problematic content.
They optimize recommendations to a large degree to induce anger and rage, because anger and rage are the most effective ways to drive platform engagement.
Facebook does the same.