There is actually a law in France that media must not report any news regarding potential revolutions, which would be seen as directly attacking the republic. The sanctions are among the highest we have
It also refers to a more subversive methodology of the powers at be to suppress information that they don't agree with and deem harmful to the status quo, i.e. Luigi's manifesto. It's a multi layered statement that really is applicable to situations.
The thing it's referring to in this instance is the fact that Reddit is not allowing freedom of speech under the guise of whatever reason it says it has and having that decision protected because it is a private company worried about its own interests.
This is YouTube. Not reddit. I get your point you're trying to push but it's two different websites - good on YouTube to allow this kind of conversation to happen. But you can't discount the reach that Reddit has. You can't really have discussion on YouTube, the comment section is always a shit show. On reddit you at least have more space to talk to others and have people be a witness to your line of thought.