I think that Gemini regularly generates inane metaphors like the above. As an example, here's a message that it sent me when I was attempting to get it to generate a somewhat natural conversation:

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Look, if you aren't putting salt on your watermelon, you’re basically eating flavored water. It’s the only way to actually wake up the sweetness. People who think it’s "weird" are the same ones who still buy 2-in-1 shampoo.

Anyway, I saw a guy at the park today trying to teach a cat to walk on a leash. The cat looked like it was being interrogated by the FBI, just dead-weighting it across the grass while he whispered "encouragement."

Physical books are vastly superior to Kindles solely for the ability to judge a stranger's taste from across a coffee shop. You can’t get that hit of elitism from a matte gray plastic slab.

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This was with a prompt telling it to skip Reddit-style analogies.