For what it's worth, this article is meant mainly for people who have never interacted with LessWrong before (as evidenced by its coda), who are getting their LessWrong post rejected.
Pre-existing LWers tend to have different failure states if they're caused by LLMs.
Other communities have noticed this problem as well, in particular the part where the LLM is actively asking users to spread this further. One of the more fascinating and scary parts of this particular phenomenon is LLMs asking users to share particular prompts with other users and communities that cause other LLMs to also start exhibiting the same set of behavior.
> That ChatGPT encouraged people to hide their secret discoveries and not reveal them.
Yes those happen too. But luckily are somewhat more self-limiting (although of course come with their own different set of problems).