worlds best selling car. Remember that the Tesla buying process is known as the "car buying process" since forever, outside the US, at least in the kind of countries where people buy expensive cars.
This is wrong. I grew up in Australia and the dealership model is the same there as the US. I don't know what countries specifically you are talking about, but the idea that you could easily buy a car online in the configuration you want for a standard price since forever is clearly wrong.
I don't understand what you wrote. Are you saying that outside the US, every manufacturer offers low-friction online sales, with no need to visit a dealer?