Some options:

It’s just a better Siri, still just as soulless.

If you think they would understand the Chinese room experiment.

Imagine the computer playing mad libs with itself and it picks the least funniest answers to present.

Imagine if you tore every page out of every book in the library (about the things you mentioned) shuffled them and try to handout the first page that mostly makes sense to the last page given, now think about that with just letters.

Demonstration of its capacity to make mistakes, esp continuity errors.