I’m not saying that you’re wrong, just that people get desperate. Add that to the fact that people in chronic pain are no long given the meds they need as freely, and you get many people trying anything once.
Hell, I even gave acupuncture a shot. I saw a guy in Colorado where the experience left me feeling amazing. Then I found a local guy in KC, who supposedly helped bring acupuncture to the US during the Nixon years, and walked away feeling like it was quackery. Of course they each had very different approaches. One felt like they were actually doing something, and the other to apply a placebo.