Stop trying. This isn’t your problem. Wether or not Brexit is a Soros plot is not something a glorified BBS needs to worry about. Should AMD be pressured into adding logic to block people from making deepfakes?
I know there is a tendency to be consumed with your own importance combined with political heat, but the best course is to develop great filtering tools for users and “Let the people decide.”
The "is this the platform responsibility?" debate is long time over and everyone agreed (EU and USA) that it is FB's responsibility. States in which Facebook operates have regulations about internet/advertisements/fake news, and FB must find a solution to comply globally with all regulations.
If it was only Facebook, FB would accept any ad as long as someone is willing to pay to display it.
I know there is a tendency to be consumed with your own importance combined with political heat, but the best course is to develop great filtering tools for users and “Let the people decide.”