This delves into aspects of "when various nations have conflicting laws, whose laws win or take precedent?"
As gross as and disturbing as most of us find that kind of material. The reality when it comes to fictional material that doesn't involve any real minors, many developed nations either have ambiguous laws, or surprisingly have laws that protect it under artistic freedom provided it doesn't involve any real minors.
en.wikipedia.org
(and some of those nations protecting it are ones that are kind of surprising)
The same goes for the other aspect they mentioned
en.wikipedia.org
And I think people play fast & loose with the "operates in country XYZ, so they have to follow their laws" in a world where the internet is ubiquitous, and literally everyone can get to everything.
Ultimately, if there's things about Grok that France wants to deny their citizens access to, then the onus should be on France to use their own resources and dollars to prevent it from entering their country.
And in this case, accommodating France's law would actually potentially break Japan's law.
French law says it's not legal and needs to be restricted
Japanese law says it's protected artistic expression, and restrictions would be a violation of artists' rights
How does website owner in the US end up with the duty of determining which foreign country they should side with at their own personal expense? It should just be their duty to follow the laws of their own country, correct?
For instance, if I decided to set up a blog site that reviewed and showed pictures of bikinis, there are a plethora of countries in the middle east in which such visual depictions are prohibited. Because I have a blog site that's reachable by people in those countries, by the loose definitions people use for "operating in", would I be forced by my own government to invest time and money into my blog site to make it accommodate the laws of Afghanistan?