My guess is that they are blurring the lines between "results" and "recommendations" and optimizing for what people are most likely to click on. Twitter must

My guess is that they are blurring the lines between "results" and "recommendations" and optimizing for what people are most likely to click on. Twitter must do something similar. I don't have an account, and every time I follow a link to a Twitter post, like from HN, all the posts shown below it are not about the original and are typically about polarizing political things.