It makes me feel better about the current state of medical practice. I've often felt disappointed with the options doctors have for me, or by their inability to diagnose a problem.

But the realization that they don't have a user manual, or a schematic, and the scientific community only has a limited understanding of how this all works, really does make it easier to understand. Doctors aren't akin to engineers, they aren't given enough info to be engineers, they're hackers. Doctors need to reverse engineer systems that are way over their heads, and tease them into doing something else. They need to find those undocumented instructions and then, indirectly, use chemistry to implement them into the body.