Sigurd: the way I interpret the poll, you could fit the second option fairly well. All of your issues are sex-related (except maybe the fourth - which deals with "other people, not us"), the second option says "no sexuality", I think it fits the bill. Or maybe I'm misunderstanding.
Anyway, my opinion is that nudity in RPGs should not be artificially inflated, nor artificially reduced. There should be just as much nudity in art and descriptions as the setting should have. Since I believe that the current situation is slightly unbalanced in favor of "correctness", I chose the fourth option.