I get thats how it started but a developer has every right to change their minds, they did so, informed their paying customers and told them how to avoid it if they didn't wish to see it. Problem solved, it has no bearing on the story, doesn't need to be started to progress anything so what does it matter if its there?
NTR haters dont have to play it, NTR lovers can enjoy it or if your not bothered either way then you have the choice, does this not cater for absolutely everyones tastes or am I guilty of using logic again? Doesn't that make the most financial sense to the dev?