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I'm of the opinion that a lot of the stuff they have said about the ET phenomenon is true. It connects with many stories told in folklore and religion, regarding false light beings. Robert Monroe also talked about this phenomenon in one of his books, where an ET showed up to him and pretended to be god, he described it as a trickster. There have been cases where talking to spirit guides lead to full blown alien abductions. And there was a case where a girl befriended a grey alien, and it abducted her and did horrible things. I sometimes wonder if these entities are the same ones that many religions and folklore describe as Jin, orcs, goblins, or demons. The Ariel school encounter was where a bunch of the kids saw entities around a UFO, and when describing them, they all had different illustrations of them, basically showing that they perceived them in their own unique way. The Remote viewers at Farsight, and psychics like Craig Hamilton have also warned about this, basically do not trust every ET or entity you encounter, or for advice. Now, do I think they're all bad? No! I'm sure it could also be a smear campaign by the bad ETs to ruin their reputation.
(The videos that made me post)
https://www.youtube.com/watch?v=7fpi0dJLSOE
https://www.youtube.com/watch?v=G6hvkL6BFGA
(Jacques Vallee and Karla Turner)
https://www.amazon.com/Passport-Magonia-Folklore-Flying-Saucers/dp/0987422480/
https://www.amazon.com/Masquerade-Angels-Karla-Turner/dp/0964089912/