And with regulation you get...lots of snake oil this is useless to harmful. Prozac, Phenfen, etc. Even device and equipment makers like Theranos.
You also get Pharma-Bro types selling medication WHO considers "essential" for 750 dollars a pill. Only the one company has(had) the regulatory approval to make a drug so basic Aussie school kids can make in chem class[0].
[0] https://qz.com/851416/why-martin-shkreli-and-turings-darapri...