“There was no good reason for either the Defendant or [redacted] to use ChatGPT in this case. Both struck me as sophisticated people… Both the Defendant and [redacted] are sufficiently technically adept to have used ChatGPT. They must have been able to use the spelling and grammar checking facility in Word (which the Defendant used to prepare his first draft) and in whatever word processing programme [redacted] used to prepare her first draft.”