I don't think an LLM will be good at spotting fake resumes. I was trying to point out that if you use an LLM to screen for matches to the job, you can expect to find a lot of people that used ChatGPT to customize their resume to your role. As more & more people realize that using an LLM gets you passed AI resume filters, you can expect all positive resumes to be LLM output, so using an LLM as a way of identifying potential applicants will be less & less useful over time.

I was skeptical that you knew with confidence what made a resume fake, other than it being "too good to be true". Which I don't blame you for, it's an optimization.

But it also means that the perfect candidate, while probably unlikely, would be rejected.