alt Hacker News> How it is made should be irrelevant in the process.
No? If you are employed (or requested in this case I guess) to offer your expert opinion, the expert they want to hear from is you, not someone else you farm your work out to - whether that’s an LLM or another person
Cynically, the purpose of the expert witness is someone to provide something which is treated as fact but isn't subject to penalties of perjury.