No, since the site doesn't judge its users or dictate their views, it has no moral responsibility towards how content posted on this site is used by OP and others.
One user said the following on a similar post about controversial answers and I think the same applies to controversial questions like the one you linked.
I'd finish by saying that it's the internet - and what you're asking is unenforceable. I try to give answers in good faith but it isn't necessarily what I believe in - just what I think is the best answer, referencing what seems appropriate to the question asked. If something's clearly offensive we have other methods - like flags.
This has been already stated many times on this site but I will repeat it here: If one doesn't like a question, they can simply downvote and move on.
Trying to close valid objective questions somehow just because you don't like them is censorship and against the principles of SE.
As it seems OP is asking for religious-based backing for rape, which is purely disgusting...
That's just your personal opinion. OP makes a lengthy argument in the question but you choose to ignore all that and hang on to just one potential problem with the question that, what if someone writes an answer defending rape using the karma theory. And you want to censor such answers. Worse still some users are even downvoting the only answer posted in an effort to delete both the question and answer from the site.
As another CM says on a different post here, always assume best intentions of OP and don't jump to conclusions. She's probably referring to these posts on Parenting SE:
Hopefully, users here can learn a thing or two about close-voting from these posts.