I think your summary is correct, although I would add to point 2 (or a third point) about the complex nature of the jokes. They weren't just one liners but ins

I think your summary is correct, although I would add to point 2 (or a third point) about the complex nature of the jokes. They weren't just one liners but instead would build up gradually. That's what I like about this analysis, it got me to understand something that I somehow felt but had no idea that it was actually happening.