Turns out the TOS violation had nothing whatsoever to do with racism, as so many commenters here were overly confident to proclaim, in typical HN style. It's because he'd linked to prohibited content in the wiki:
https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki...
Here's the issue discussing it:
https://github.com/AUTOMATIC1111/stable-diffusion-webui/issu...