The fuel economy figure that a vehicle needs to achieve used to be a set figure. Lobbyists got that changed so that now vehicle fuel economy is a function based on the width and length of the vehicle. And that's why the roads are full of fatmobiles.

Anything with a hood that's so high primarily because it's gender affirming care is paid for with the deaths and injuries of innocents. Regulate the shape of the front end of any vehicle, as I'm sure any honest regulator would.

It's an arms race. My older SUV (Lexus 3XX) is worrisome in it's size and blindspots but it's still dwarfed by current trucks. Moreover, once most SUVs were basically built over a pickup chassis but it seems like pickups have gotten so large that it's unusual to see an equivalent SUV.