donie o'sullivan shows that facebook is not only allowing posts that refer to the holocaust, but they making money from it. why is this happening? is that part of the business model? >> facebook's business model is conditioned on fixing problems after they find them. facebook has known since 2018, mark has publicbly made comments on it, mark zuckerberg, saying prioritizing content or ads based on their ability to provoke a reaction from you, which is usually the most extreme and polarizing content. it's dangerous because people are drawn to engage with extreme content. but mark said at the time, it's okay. ai will save us. the only problem is the ai misses lots and lots of problems. in the case of hate speech, only 3% to 5% of hate speech is caught. i won't be surprised if they had policies against anti-vaccine content like this that they let a similar amount of that content