https://www.theguardian.com/technology/2020/jun/30/third-of-advertisers-may-boycott-facebook-in-hate-speech-revolt

‘Stop Hate for Profit’ campaign gathers momentum as ad boycott spreads outside US

Almost a third of advertisers are considering joining a month-long boycott of Facebook as the social network struggles to convince advertisers that it is doing enough to fight hate speech on its platform.