This article is from 28 March 2018:
There are many things policymakers can do to fight fake news and propaganda. New legislation for websites could require transparency about sponsored content and who is financing them, and the amount of money for sponsored content could be capped. They could attempt to clearly define illegal hate speech.
But they must be careful to avoid creating incentives for mass removals — and ensure they don’t find themselves mimicking the behavior of authoritarian countries.
https://www.politico.eu/article/opinion-big-tech-censorship-google-transparency/