[civilian]

Evolution is an iterative process and _every iteration_ has to be able to live and reproduce. It's limited by what it can do.

Like, just look at laryngeal nerve. It's pretty dumb that the nerve has to go around the collarbone. But it's not surprising when you think about the iterative nature of evolution. https://rationalwiki.org/wiki/Laryngeal_nerve

And let's not even talk about the size of human skulls and maternal death in child birth.