Firstly, it's a bad example. He asked permission, and he paid royalties.

Secondly, I'm not saying anyone should be sued. I'm simply saying, repeatedly, that it's up to the courts to decide on a case by case basis, and whatever the decision is in this case, it doesn't affect other parodies. I really don't understand why anyone should be upset or worried about some imagined knock-on effect. The law hasn't changed. Some win these cases, some lose.