Earlier quoted context omitted.
Was that censorship in order to conform to US law? If not, sorry but you're comparing apples to oranges.
Yes. Abridgement of speech in any form is censorship. In this case, the speech of people who want to discuss activities the US government deems illegal is being censored. Censorship can be (and in the most heinous cases, is) compelled by a government, and can even arguably serve the public good, as is often argued with hate speech laws, or (less controversially) with laws against libel and slander. But as far as free…
>Yes. Abridgement of speech in any form is censorship.
That wasn't the question asked.
"Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize."
The question was whether the other examples were compelled by government law. That puts them in a different category. Unless you would like to argue that the other censorship was performed to keep the organizers out of prison, your argument falls flat.