When gaining a Harem in an Aqueduct game, I get asked whether I want to move the vp from harem to aqueduct before or after taking the points from the aqueduct. Now, I believe this is only ever relevant for defiled shrine/aqueduct/crown games (isn't it the only way to have vps on a kingdom treasure?).
So, maybe don't ask unless there are points on the relevant pile?
And anyway, I can't think of any edge case where I wouldn't want to take the points.