Comment by WorldMaker

America is trapped in a tragedy of the commons that states stopped regulating vehicle size and marketers capitalized on selling "bigger vehicle size = safer" despite that being a tautology caused by that very tragedy of the commons: bigger vehicle size is less safe to other vehicles on the road (and pedestrians/bicyclists!) therefore to compete for relative safety more people feel the need for bigger vehicle sizes to improve their safety with respect to others' big vehicle purchases. It's gross on so many levels.