They're all sold in Europe, where they're legally cars, meet car safety standards and fuel consumption is usually only slightly worse, about the amount you'd expect from raising a hatchback body 1-2 inches.

The layout also has obvious advantages for EVs, although Tesla does manage a sedan form factor. They are meaningfully different from "Jesus Christ I may have just killed a child whilst parking, because I am driving something doing a decent impersonation of the industrial equipment normally associated with an open-cast quarry".