It is possible to maintain a sense of humor and joke about something without actually condoning it.

If wikileaks should be allowed to leak state secrets then why should some jokes be taboo?

No one said they weren't allowed to make the jokes.

It might just be my reading of it but Yes, nothing like rape for a good chuckle. conveys disapproval to me.

There's a tremendous difference between expressing disapproval for what someone says and believing that they shouldn't be allowed to say it (insert not-actually-Voltaire quote here).