While I think the parent is dumb for getting such a young kid to drive and filming it, I do think we go a little overboard these days with protecting our kids in vehicles. I was once told that kids nowadays are required to have child seats or booster seats until they are 7 or 8. Come on, by the time your 4, all you should need is a seat belt.
-- Mac Pro Dual 3.0 Dual Core, 4GB RAM, 150GB Raptor HD, 500GB HD, Superdrive, Radeon X1900XT, Bluetooth, Airport Exteme, Logitech Z-5500 5.1 Speakers, 30" ACD
-- PowerMac G5 Dual 2.5, 2.5GB RAM, 160GB HD, Superdrive, Radeon X800XT, Bluetooth, Airport Extreme
-- Macbook Pro 2.53 15", 4GB, 320GB HD, SuperDrive, Bluetooth, Airport Extreme