https://www.businessinsider.com/youtube-congress-hearing-white-nationalism-racist-comments-disabled-2019-4

Congress' hearing on white nationalism started 15 minutes late on Tuesday, but even before it kicked off, people watching the livestream on YouTube were using the live chat feature located next to the video to share racist ideologies and use vitriolic slurs.

About 30 minutes later, YouTube disabled the live chat feature on the livestream.

The House Judiciary Committee called policy executives from Facebook and Google to testify Tuesday as part of a series of hearings about hate crimes and the rise of white nationalism on social media.