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.
We also have no idea what measures they take to stop the system being manipulated (if any).
The far-right could be working to ensure they’re recommended as often as possible and if it just shows up as “engagement” or “impressions” on their stats, YouTube is unlikely to fight it with much enthusiasm.