One, MINDSET. Know that there is no such thing as a perfect vehicle, regardless of make, model, cost, advertising or national origin.
Two, MINDSET. Know that your personal value, prestige, intellect, soul are NOT invested in a car's badge.
Three, MINDSET. What do you actually need in terms of a vehicle? What can you actually afford to pay? What are you willing to part with financially and why?
Four, common sense. Research all of the sources you cited.
Five, reality. Know that cars are physical things made by flawed peple regardless of their nationality. "German engineering" speaks for itself, as well as Takata airbags and Cadillac's "symbol of automotive excellence." People make mistakes, sometimes deliberately.