[BigTTYGothGF]

> you could tell different brands apart from far away

This is just the tyranny of air resistance and fuel economy.

[m000]

I think that's only the excuse the car makers use for being lazy and not taking design risks.

Because homogeneity also extends to the interiors (which are not affected by regulations). And of course the offered colors, where we have almost full-circled back to "any customer can have a car painted any color that he wants so long as it is black".