[wizzwizz4]

Rebutting the argument doesn't rely on tech knowledge.

“But, your honour, I didn't copy this person's book! I used the autocomplete on my phone, and it just so happened to produce their 500 000 word novel!”

You need tech knowledge to think that's even plausible. Sure, they wouldn't dismiss it out of hand (I think “laughed out of court” is a figure of speech), but I wouldn't be surprised if it got a few giggles.

[ShrigmaMale]

This would be more like GPT-3 completing a specific novel.

[pabs3]

ISTR someone used GPT-3 to autocomplete a chapter of Harry Potter.

[wizzwizz4]

And doing so is still copyright infringement.