Yes, exactly this. One of the main reasons for ChatGPT being so successful is censorship. Remember that Microsoft launched an AI on Twitter like 10 years ago and within 24 hours they shut it down for outputting PR-unfriendly messages.
They are protecting a business just as our AIs do. I can probably bring up a hundred topics that our AIs in EU in US refuse to approach for the very same reason. It's pure hypocrisy.