Every single person that I know that have bought a gigantic car (Like a ford raptor) uses it for commuting to their work that is less than 7 miles away and GROCERY SHOPPING...
While yes, there are definitely people that need to transport large amount of things, they can most of the time do the same thing by buying a wagon or a subcompact car. See Jeep Renegade.
I took physics in high school and college. It's has, and always has been, my most difficult class and it's because I have the hardest time trying to solve physics problems. I may give this one a go!