On why automobiles all look the same: dimensions are agonisingly chosen to please the needs of the wind tunnel, to adhere to government safety re

On why automobiles all look the same: dimensions are agonisingly chosen to please the needs of the wind tunnel, to adhere to government safety regulations, to properly accommodate the average American family’s collective weight of 78,000 lbs., and to allow for enough cargo space for all their crap Look, I know we have an obesity problem. But the collective weight of the average family is not 78,000lbs! I'm thinking they meant 780lbs (354kg) although even that seems a bit high.