Looks cool and I'd love to have one to zoom to work and around the city, but I would hate to be in an accident against a normal car, let alone a multi-ton SUV, and that's what pretty much everyone else drives.
There are other small cars, like those manufactured by Smart, that do quite well in crash tests. The car probably won't survive, but it's relatively cheap to build a top-quality protective cage around the driver when the interior is this small.