It will be also useful to clearly state what exactly is censored, and which bias that censorship has. Plus the ethical guidelines used for this censorship.
In case the opt-out isn't technically possible because of the way the model was built, the Censorship disclose should be provided with every response.
Likewise, when a user shares the vendor's AI responses publicly, the censorship (including the absence of it) disclosure should be clearly shown.
Wouldn't it be much more useful to concentrate on AI's intelligence: its inference capability?
(hmm, how precise is a collection of phrases like "red sky at night, sailor's delight?")