The origin is the only factor that has no theoretical impact on the quality of the finished product. It's a purely political poison pill for any would-be producer, which means at the end of the day it is all about the location.
If I offered you a perfectly functional car, but added an unnecessary kill switch that prevented you from starting it without my express and arbitrary permission, would the deciding factor in your purchasing decision be the build quality of the engine, or that kill switch?
If I offered you a perfectly functional car, but added an unnecessary kill switch that prevented you from starting it without my express and arbitrary permission, would the deciding factor in your purchasing decision be the build quality of the engine, or that kill switch?