Essentially agreeing with what you're saying, but it's important to note that there are ethics boards and regulations on medical research to prevent situations

Essentially agreeing with what you're saying, but it's important to note that there are ethics boards and regulations on medical research to prevent situations such as the data obtained by scientists during the holocaust. A key word is informed consent. Research by its nature is conservative and small steps. There's a whole world of bioethics out there & it's a common undergraduate major, to continue this discussion :)