No need to be so pessimistic) Supply might just come with demand, and voicing that demand is the only way to make something like this closer to happening, so there's not that much harm in throwing a suggestion out there. Better yet, it costs one absolutely nothing)
And if it doesn't happen, that's fine too: there's hardly anything wrong with the developer trying to do what they personally like while pleasing the majority of their supporters at the same time. Sexual interactions system already accomodates every possible character combination (broken climax messages for frottage aside), so I'll just be grateful for what we've never been guaranteed to get but got anyways)