This analogy doesn't make any sense. Obviously submarines don't do any stroke at all. In this case, ChatGPT is being told to deliberately replicate a particular

This analogy doesn't make any sense. Obviously submarines don't do any stroke at all. In this case, ChatGPT is being told to deliberately replicate a particular style of poetry. For what it's worth, its poetry is bad, and is nothing like Shapespeare. If you don't have an ear for poetry and wouldn't recognize the work of major poets, if you ask ChatGPT to replicate a particular style then you aren't actually in a good position to assess whether it did so particularly well.