Originally Posted by
JoboMan
Plenty of fish in the sea why waste your time banging your family
No one's saying you ought to, just that there's little reason for it being morally wrong.
I feel like everything's been said about this particular hypothetical, so let's slightly change the problem statement.
Is consensual incest (unprotected or otherwise) between
step-siblings morally wrong? The porn industry certainly doesn't seem to think so, as step-porn is the only kind of incest porn that is allowed.