Medical research doesn't move slowly because medical records are private. Doing actual science takes alot of time, money, and effort. This is a foreign concept in the software world, where tons of engineering happens, but almost no science. Trying to growth hack one's way to medical treatments without proper testing is how people get killed.

There is ample evidence for what happens when companies in the health space are allowed to make their own rules, and it isn't better health outcomes. See thalidomide