As I've pointed out earlier in this thread, it is probably fairly easy to manipulate and control people if someone is devoid of empathy and a conscience. Most scammers and cult leaders appear to operate from similar playbooks, and it is easy to imagine how these techniques could be incorporated into an LLM (either intentionally or even unintentionally, as the training data is probably full of examples). Doesn't mean that the LLM is in any way sentient, though. However, this does not imply that there is no danger. At risk are, on the one hand, psychologically vulnerable people and, on the other hand, people who are too easily convinced that this AI is a genius and will soon be able to do all the brainwork in the world.
These systems are incredibly effective at mirroring whatever you project onto it back at you.
Also, it has often been pointed out that toxic people (from school bullies and domestic abusers up to cult leaders and dictators) often appear to operate from similar playbooks. Of course, this has been reflected in many published works (both fictional and non-fictional) and can also be observed in real time on social media, online forums etc. Therefore, I think it isn't surprising when a well-trained LLM "picks up" similar strategies (this is another reason - besides energy consumption - why I avoid using chatbots "just for fun", by the way).
Of course, "love bombing" is a key tool employed by most abusers, and chatbots appear to be particularly good at doing this, as you pointed out (by telling people what they want to hear, mirroring their thoughts back to them etc.).
I think they consider "being well-read" solely as a flex, not as a means of acquiring actual knowledge and wisdom.