[kordless]

They gave people the ability to post things without threat of censorship.

Whether or not they thought through the ramifications of all edge cases, how they feel about it, and what they do about is another matter entirely.

[sp332]

Diaspora is just a web app. If you already have a web server, you have the ability to post things without censorship. Diaspora doesn't add any anti-censorship abilities on top of that. In fact their main selling point is keeping things private.