Absolutely. And to be clear, the "researcher" being quoted is just a guy on the internet who self-published an official looking "paper".
That said- I think that's partly why it's so interesting that this particular group of people identified the problem, because this group of people are pretty extreme LLM devotees and already ascribe unrealistic traits to LLMs. So if they are noticing people "taking it too seriously" then you know it must be bad.
In the article they quoted the moderator (emphasis mine):
It seems pretty clear to me that they view it as a problem.