New cars don’t all look the same. To the extent they do, it’s because they all server the same purpose and differences are just artificially contrived anyway.
The difference in men and women stems from our differing roles in reproduction.
Toilets are low to accommodate short people and children. Tall people can cope.
The sky is blue due to the way light refracts through the atmosphere.
We are here because our parents had (you know… the “s” word). We die because our bodies wear out. (bummer for us)
Why does anything exist? …. why not?