> You seem to have fixated on one word in my comment and are arguing against creationism.

Well, I would argue that the vibe of your whole comment was coherent in that sense: you talked about what nature wanted, about design and about what kind of stuff would make sense while looking at it from a architect perspective.

It's a very odd way to look at it if you have no creationist conception of it all to be honest.

As for your point that not everything has an evolutionary advantage, I agree. Deafness and blindness exist after all.

But I don't really see your point as far as proposing hypotheses to account for certain prevalent traits, which, in my opinion, is what the original content was about (the grandmother hypothesis).