The interesting part is that this does not necessarily mean a foreign manager is a bad appointment, it just means the World Cup is too small a sample and too noisy a competition to prove much either way. You need the right players, the right draw, the right dressing room and probably a bit of luck with the officials as well, and once you accept that the whole debate becomes less about nationality and more about whether the federation built the job for success in the first place. Still, if Tuchel somehow got near it with all the drama around him, people would lose their minds and the storyline would be unbearable in the best possible way