i am also extremely convinced that if i just adjust myself enough there will be a big crack andall of my aches and pains will immediately go away an d I will have perfect posture and i will be cured of mental health and find a million bajillion dollars on the floor and live till im 120
I believe they’re vaguely more regulated in Europe. But be careful the conclusions you draw, the modern way of supporting the lie is mixing this lethally dangerous pseudoscience with real science.
Even if they did nothing else, it’s possible that their massaging the neck was enough, and the rest was nonsense/dangerous. Placebo in babies is also a genuine thing (usually proxied via the parents).