Not just a looks issue. The cars handle terribly. I'm sure the power is adversely affected, and the excess strain on the car can't be good. Connestoga wheels were actually worse; if you let them set in water, they swelled. Also, the hubs were a pain. The large wheels had several purposes, however: no flats, go over bumps better, can sleep under the wagon, clearance over objects (rocks, grass, tree trunks), and creek crossing (getting a loaded wagon over the bank--not entering/exiting the river). They had drawbacks of rough ride, swelling, bad handling, only good at low speeds, tire changes are a pain, and can't be used on smooth, hard surfaces (ice, concrete, etc).
For that Mustang, where do they carry the spare? A donut spare won't work. Heck, how much do those tire/wheels weigh? The weight alone must be a drain on fuel mileage.
I can't tell you how many cars I eliminated from consideration when I saw the wheels.
I, too, don't like people walking across my lawn. We have some people in my neighborhood that walk any old place, and leave a grail of wrappers, empty drink containers, chewed gum, etc behind them. I complained, so they graveled my front lawn. I had it on camera, so they were stuck with the removal bill.
