Like all people in all industries, those in the medical industry want and need to make money. Else, there would be little incentive to “be in” the industry at all.
A WSJ article notes this (though, most of the study is behind a paywall). This is the same as when we take our cars to mechanics and believe that the “treatment” given to the car is not actually what the car needed and end up back in the shop soon thereafter; or, just have more things done to the car while it’s in the shop than we had anticipated or believe necessary.
Overtreating, mistreating: these are regularly occurrences in Evolve, as doctors seek to fatten their bank accounts and expand their houses.