That's rubbish; there is plenty of Osteopathic and Chiropractic support in the medical community.
But no studies backing up their claims....
The degree's these individuals go through are all science based and the training is rigorous.
Has no relevance at all.
Even if you said was not true, if it helps the individual it is never a "waste of money".
Spending money on a placebo is a waste, you may as well give the patients sugar pills and spend the money on hiring more nurses.