I wouldn't disagree with that statement.
What nationality would you assign to respectively a Nissan, Mercedes, BMW, Ford, Toyota, and Honda?
Additional relevant info: Nissan Titan, Mercedes M class, BMW made in South Carolina, Ford made in Ontario, Toyota Camry made in Kentucky and Honda Accord made in Ohio.
That's a no-brainer. Japan, Germany, Germany, USA, Japan, and Japan respectively. It's where they are designed and engineered that makes a difference - the cultural influences that subtly affect the process. Where a car is bolted together makes little difference. Whether to attach a part with four bolts or five does. It's not like cars are hand-crafted anymore - it's largely automated whichever country of assembly you're talking about