The massive increases of medical research spending to useful outcomes directly track the decrease in testing in humans and then animals. False positives from doing research in systems that are not the systems the medicine will be used in results in the observed waste and lack of progress compared to, say, the 1950s.
I am not saying we should not have stopped directly testing in humans or animals. But I am saying that the result has been worse outcomes. And any further shifts away from the biological systems that need the medicine (like using computational crap like LLMs) will further increase this disconnect.