I think the joke was she tried to use the pamphlet as evidence and thought the pamphlet was personally addressed to her - "how silly!" I too had a hyper litera

I think the joke was she tried to use the pamphlet as evidence and thought the pamphlet was personally addressed to her - "how silly!" I too had a hyper literal moment on this too, so I'm glad you asked. My conclusion is that the joke just isn't that funny or well written (everyone's a critic!:))