They've already done this, and it's already been effective: https://www.technologyreview.com/2020/03/03/905565/youtube-halved-conspiracy-theory-videos-recommend

They've already done this, and it's already been effective: https://www.technologyreview.com/2020/03/03/905565/youtube-halved-conspiracy-theory-videos-recommends/ https://www.technologyreview.com/2020/03/03/905565/youtube-h... Half is a good starting point, but obviously I think YouTube wants to push that higher. This article is from two months ago, also.