Last week I had my account at Pixiv suspended. I was linked specifically to this part of their TOS:

17. Posting Posted Information for the purpose of commercial advertising, publicity, or inducement (except in cases specifically permitted by the Company), Posted Information that contains affiliate links, Posted Information that contains inducements to other parties such as MLM or “pay to surf,” Posted Information that induces traffic to adult sites, one-click fraud sites, sites intended to distribute viruses or other malicious computer programs, or other sites determined by the Company to be inappropriate (including simply posting links to such sites), or other Posted Information that the Company determines to be inappropriate.
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To have your account suspension lifted, please address and rectify the violation, then reach out to us using the account reinstatement request form.
Unfortunately, we are unable to provide specifics about the violation, such as the exact content or work ID.
We recommend reviewing similar cases to guide your actions.

■ Examples of Policy Violations
・Directly linking users to uncensored content through your posts (captions, profile, etc.), regardless of whether a URL is included.
・Indirectly leading users to uncensored content by suggesting its existence in your posts (captions, profile, etc.).
・Hinting at content that violates the Master Terms of Use or pixiv Guidelines, including links to other sites or services that may host such content.

You know what scandalous outside content I linked to? My books on Amazon, Smashwords, and elsewhere. But apparently even MENTIONING sites that MAY sell uncensored content, even with providing no links--even legit booksellers like Amazon and Smashwords--is enough to get you banned and suspended.

Completely ridiculous. Pixiv used to be a very artist-friendly site. But in the last few years they have become increasingly restrictive and hostile to the very creators their site depends on, constantly moving the goalposts with unreasonable policy updates and then using AI as the sole judge and arbiter of what is appropriate or not.

When people talk about the enshittification of websites, this is exactly the kind of BS they're talking about.

I'm not going to bother appealing or trying to reinstate the account. They'll just find something else petty to ban me for, and I'm not going to go through all 450+ submissions I have on the site every time they update a policy to look for whatever picayune little thing they're obsessing about this week. I'll try to find another art website (adult or mainstream) to post work at.