The scientific method – which means errors and retries and errors and more retries – that’s what allows growth.
Darwin was right. Things evolved because the fittest, most advanced, survive.
Perfection, in a rational analysis, is an impediment to growth and learning, because perfection means that people stop having an urge to think.
You can see the consequences of that in many fundamentalist religions, who believe in the perfection of the bible and the absolutely prohibition on questioning it. Those believers have stultified themselves by being locked into their views.