There were considerable signs that the proposal was put together quickly ...

Lisa: Look at all these great ideas for preventing crime! I know they're oversimplified and can't possibly work, but wow!
Marge: Hmmm, if only we didn't already have a precrime solution.
Bart: Speaking of precrime, I don't care about precrime. I'll meet you ladies back here in half an hour.

(Poster on wall of Nelson's bedroom: "Nuke the whales.")

Lisa [to Nelson]: "Nuke the whales?"
Nelson: "Gotta nuke somethin'."
Lisa: "Touchè."

Also:

"Soylent Green is people!"