What I'm saying is if you have design constraints like "must resemble giant bullet vibrator" and "must complete all mission objectives in a single, self-contained vehicle", you are not actually building a moon lander. You think you are, but what you're actually building has to do everything, so it's good at nothing in particular other than looking like a giant bullet vibrator. And since it has to do everything and has no specialty, it's just something that may possibly land despite your terrible choices. This capability (if you can call it that) is owed largely to gravity: luckily for you, the moon has some