For (b), why should individual companies and platforms do anything but follow the law? Many countries have laws against inciting hate speech. Others, including

For (b), why should individual companies and platforms do anything but follow the law? Many countries have laws against inciting hate speech. Others, including established democracies, have laws against sedition and such which would address this. Wouldn't someone bring a legal action based on such laws and thus end such behaviour via the proper channels, such as the Courts?