Having a larger market than alternative treatments is not the same as being more useful to people. Western medicine kills almost 800,000 people a year. https://steemit.com/health/@gardenofeden/western-medicine-is-the-leading-cause-of-death-in-america
You still have not provided any evidence beyond biased opinion that shows this is harmful, yet we continue to witness and accrue real life, first hand testimonials. Provide a better option if you have one.