Maybe, but the author is an experienced vulnerability analyst. Obviously if you get a lot of people who have no experience with this you may get a lot of sloppy, false reports.
But this poster actually understands the AI output and is able to find real issues (in this case, use-after-free). From the article:
> Before I get into the technical details, the main takeaway from this post is this: with o3 LLMs have made a leap forward in their ability to reason about code, and if you work in vulnerability research you should start paying close attention. If you’re an expert-level vulnerability researcher or exploit developer the machines aren’t about to replace you. In fact, it is quite the opposite: they are now at a stage where they can make you significantly more efficient and effective.