Nothing has been censored.
The Barrington declaration is trivial to find. It is available in full at https://gbdeclaration.org/ to anyone who wants to read it.[1] If Facebook etc don’t want to host it, they don’t have to.
Refusing to publish, advertise or provide a platform is not censorship. Persuading or pressuring third parties not to publish, advertise or provide a platform is not censorship. Preventing authors and their supporters from publishing, advertising or providing a platform is censorship - but is not happening.
located via Google, who clearly aren’t removing it from their search results. It’s also accessible from Wikipedia. ↩︎