However, I see no value at all in protecting calls to violence or protecting speech that is intentionally designed to deceive or manipulate.
Additionally, attributing and contextualising information must be allowed.
Finally, many scientific matters are settled (such as that climate change exists, that there was systemic discrimination of PoCs even long after abolishment of slavery and that Earth is not flat).
Stating that those debates are settled and that trying to "reopen" them does not do any good must be allowed.