And yet it wasn't selected against. :) Evolution and natural selection were probably not designed by an engineer. Or if it was, then they also probably design

And yet it wasn't selected against. :) Evolution and natural selection were probably not designed by an engineer. Or if it was, then they also probably designed the DC-3, which I have jumped out of when I was skydiving years ago. Exceptional longevity and reliability. https://en.wikipedia.org/wiki/Douglas_DC-3 https://en.wikipedia.org/wiki/Douglas_DC-3