Fake users generated by AI can't simulate humans — review of 182 research papers. Your thoughts?

There’s a massive trend right now where tech companies, businesses, even researchers are trying to replace real human feedback with Large Language Models (LLMs) so called synthetic participants/users. The idea is sounds great - why spend money and time recruiting real people to take surveys, test apps, or give opinions when you can just prompt ChatGPT to pretend to be a thousand different customers? A new systematic literature review analyzing 182 research papers just dropped to see if these "synthetic participants" can simulate humans.