The problem that the japanese had with christianity is the same problem that a lot of other places have had with it. And there's no place for some christian god at the top of the food chain here. The show gun and his compatriots about the europeans entirely. They would ask a lot of questions about protestants and catholics, and eventually they were so confused they just basically set a pox on both your houses. You're all out. It's hardly the only one, but it's the most visibly obvious one. This is an act that is sometimes thrown into the gunboat diplomacy tegory, by the way beause japan didn't