The folks in Myanmar apparently have taken issue with how Zuckerberg referred to FB's "tools" and "systems" for detection of hate speech in his Vox interview. They sent him a letter:
Blaming Facebook for not stopping chain letters spread on messenger is disingenuous, especially in the context of the privacy debate.
If you believe people have the right to private communication, there's nothing a technology company can do to fix social problems like this, you need social measures, international pressure and so on.
If you believe people have the right to private communication, there's nothing a technology company can do to fix social problems like this, you need social measures, international pressure and so on.