Surely you meant "function over form" here? I'll assume you did, and yes I can agree that delivering mail doesn't require anything pretty. Apparently the cartoonish height came from USPS requiring that anyone as short as 5'2" can see over the hood and someone as tall as 6'8" can stand in the vehicle. Still doesn't look that great or practical (for narrow or rural routes) to me, but I guess we'll see.
It won’t win any beauty contests but I like that they put function over form here.
Edit: corrected my phrasing about function over form. Thanks!