All you're saying is that people don't trust these things. You've not demonstrated any rational reason that they should trust these things. So that stigma was rightfully earned, there was no baby in the bathwater, and therapies that informed doctors do not prescribe are therapies that are not known to work. And it is not your doctor's business to experiment on you when the outcome of a treatment is not reasonably certain.
Have you heard of sound therapy? Laser therapy? NLP? These are therapies you probably would never hear at a traditional doctor's office.
[1] https://www.quora.com/Why-are-chiropractors-not-considered-r... [2] http://www.quackwatch.com/01QuackeryRelatedTopics/altmed.htm...