I have a lovely friend. She is older than me and cleverer than me (phd) and enjoys a bit of woo. She became a Buddhist, sees a shaman, puts crystals in her rice to give it energy etc. I am an atheist and a scientist and have always treated all her wackiness as charming eccentricities.
Lately she has been unwell with CFS type symptoms and has been treating this with an extreme exclusion diet. This has been "proscribed" to her by a charlatan who did "hair analysis". She is not allowed meat or dairy, only sea caught fish (certain types only) and non "alkaline" vegetables. She has become extremely underweight and is so lacking in energy she goes to bed frequently during the day. She revisited her health adviser (£500 charge for more hair analysis) who asked her to cut out yet more foods.
I am really worried about her, she won't do traditional medicine as it is not "natural" or I would take her to the doctor, but I think her main problem is that she is starving.
I would like to have her health adviser arrested, I think she is a dangerous quack who is actively harming people.
Would I be unreasonable to just tell my friend that she is being conned? She would probably never speak to me again.