Reminds me of going on linkedin and seeing all these sales and product people who are talking big game about engineering now. Well yeah they are definitely producing something but not sure I'd call it "engineering."

You can trust them to flag some things during review that may or may not be relevant. But just like with human review and unit testing, you cannot guarantee the absence of bugs after an LLM code review. It's just another set of (virtual) eyeballs.