That’s a fair point. And I believe AI should be able to combine legal material to create illegal material. Although this still feels wrong, if it excludes suffering in base material and reduces future (child) suffering, I’d say we should do research on it at least. Even if it’s controversial, we need to look at the rationale behind it.
While I agree with your sentiments, for a modern country I see it as a tool to be able to more easily handle international relationships with some countries who still see the importance (like an old handy swiss army knife you have laying around). As long as the monarchy is purely ceremonial and does not affect your own country’s politics.
It should disappear sooner or later though. If it did not have that sneaky, seemingly effective benefit (as I’ve been dumbfounded by in the Netherlands) I’d be all for removing it right away.