In the encyclopedic sense, you’re right. In this context that I replied to, however, censorship had a negative connotation, and my response spoke to that rather than the formal meaning.

I don’t know where people get the idea that censorship is an inherently negative thing.

Right, and I do note that you talk about jointhefediverse “suppressing” Lemmy — another negative connotation.

I’ll maintain that, no, they are just leaving it out. Again, that is the privilege of a list curator. Nobody else have a say in what and why is included on the site. Choosing what to publish, and the omissions that entails, are also protected by free speech.