Considering there IS an ADULT flag in the domain settings. Why else would it be a setting, as you said.
IIRC: Their stance, as repeated from a meeting long ago back when @chris
was the CM, and again discussed offhand in a meeting about the marketplace and adult ratings last year when @caitlyn
was starting, is that we can put what we want as long as it is within the laws of where ever the service is hosted at. You are also responsible for the content in it.
After all, if you host it your self, its your server, your rules, as long as those match where ever it is hosted at. If you want a final confirmation ask @Caitlyn in the next meeting, or even @philip if he pops up.
They are after all available for such questions, and their word is official, unlike any Greeter out there, who usually have to ask either one of the above, or the Lead @Jazmin …
However, you have to remember that it will limit the visibility of the placename via High Fidelity’s own as they are the ones doing the pointing. Placenames are public, and the names and descriptions should stay PG, as everyone is able to see it.
That means Gambling is a go, and so is adult content, as long as it is allowed within the Domain, and where ever the domain is hosted at. But you are responsible for that content.