I'm in that comfortable niche where I'm not that famous and sometimes people do need to put a barrier between them and their followers. When you're real famous you need to do that but I'm not that famous so I don't need that kind of barrier.
If I can get you to laugh with me you like me better which makes you more open to my ideas. And if I can persuade you to laugh at the particular point I make by laughing at it you acknowledge its truth.