MIT Sloan School of Management: As content booms, how can platforms protect kids from hate speech?. “From July to September of 2019, YouTube purged roughly half a billion comments in violation of the company’s hate speech policy — a twofold increase over the previous quarter. The same year YouTube introduced a setting to automatically hide toxic comments until channel owners could review them. ‘We often talk about the idea of viral videos or virality in social media,’ said Catherine Tucker, a marketing professor at MIT Sloan. ‘We were interested in the dark side of that: How viral is hate? How viral is the use of abusive language towards children?'”