Assuming, of course, that there aren't any relatives to be outraged. I'm surprised he didn't include it in the list.

I wonder if consensual incest will ever be permitted in a Western legal system.

Yeah, the idea that you can write down in advance every law you'd conceivably ever need, while including the necessary flexibility to deal with unusual circumstances, has always amused me. Then again, it is quite odd that judges can de facto change the law retrospectively, although in theory they're declaring that it always was such.