Reading the article , the part where it gets interesting is when she creates the "Barry" account and within 2 weeks Barry gets inundated with examples of hate.

Reading the article , the part where it gets interesting is when she creates the "Barry" account and within 2 weeks Barry gets inundated with examples of hate. That sounds like an actual broken recommendation system, rather than just the unfortunate-but-perhaps-unavoidable "keeping the noise down to a dull roar".