Not yet, but we're only 1,5 years into this current regime.

They've already hit Anthropic once with a big government hammer (Fable release). There's no indication they won't do it again to force the LLM to have Correct Opinions.

Every time Grok gives the "wrong" answer, Elon Musk does another lobotomy on it.

So it certainly seems like at least some models are being censored.