I would say thats pretty exaggerated. They are making every thing for the world, hence they know how to do it.
I would agree that there hell of difference between the standards.
As regards to MTBF, these vehicles are being marketed world over they would not just randomly put parts and sell vehicles. There are part failures but thats part of the game.
Japanese have problems as well, Vezel DCT, Civic X AC Compressor.... etc.