I prefer to think of it as God blessed the Doctors with knowledge and skill. And God tends to calls those that won’t take advantage of doctors home a little earlier than he calls those that do take advantage of them.
Premature delivery once used to be a death sentence - they used to not see life outside the womb, at all. We are slowly progressing to the point where soon an artificial womb will first allow better intensive care to those born prematurely, and after that, to produce humans without a natural womb.
You may feel free to pigeon-hole reality however you want in your mind, but the fact is, humans have altered lifespans across countries, across cultures, with the only commonality being the increased application of science, a lot of it developed on the borders of ethics as well. Many vaccines, for example, use products derived from cell lines extracted from human embryos.