Here is hilarious chaos’s TOS: https://www.termsfeed.com/live/2df34e41-7192-4df8-bfc2-c311fe60a35a which they post under their legal section off the main instance landing page.

Content Restrictions

You may not transmit any Content that is unlawful, offensive, upsetting, intended to disgust, threatening, libelous, defamatory, obscene or otherwise objectionable. Examples of such objectionable Content include, but are not limited to, the following:

• Unlawful or promoting unlawful activity.
• Defamatory, discriminatory, or mean-spirited content, including references or commentary about religion, race, sexual orientation, gender, national/ethnic origin, or other targeted groups.
• Spam, machine – or randomly – generated, constituting unauthorized or unsolicited advertising, chain letters, any other form of unauthorized solicitation, or any form of lottery or gambling. …
• Violating the privacy of any third person.

The TOS seems reasonable, and second point seems to go against the censures accusations.