It's interesting that until recently there were plenty of cases where FB was proving quite able to censor user content based on "community standards" or other such nicely sounding reasons:
https://www.theguardian.com/technology/2016/sep/09/facebook-history-censoring-nudity-automated-human-means
https://qz.com/719905/a-complete-guide-to-all-the-things-facebook-censors-hate-most/
It seems hypocritical that now it claims it can't easily apply those same standards for hate speech and child abuse imagery.