> I feel like these don't work well because the punchline comes in the middle of the joke. Let's try rearranging some: You just don't understand which part is

> I feel like these don't work well because the punchline comes in the middle of the joke. Let's try rearranging some: You just don't understand which part is the punchline. The entire standard joke is the setup, and the nihilist addition is the punchline. Your versions completely mess that up, doing exactly the thing that you complain about. :\