Dude, it J-U-S-T W-A-S-N-T F-U-N-N-Y.
Like I said, I won't even try evaluating whether it promoted fetal stem-cell research, or it ironically ridiculed taht cause. (I tend to think this was promoted FSCR, while the Reeve one had the opposite effect.) But the point is several minutes would pass at a clip without there being one joke.
Well, I liked the part where Cartman got Congress to sing along to "Heat of the Moment".