@Animeaddiction
Sure, you can argue that ... but you can also argue the exact oposite, that the Constitution is the law of the land and can't be changed willy nilly ( if the fundamental law of the land can be disregarded just because #issues , it is not much of a fundamental law, isn't it? Also, if the Constitution can be disregarded, the rest of the laws, that base themselves on it, are also not that solid ... ) ... in fact in basically all countries , changing the Constitution is a deliberately hard process exactly to ensure most people of the country are ok ( or atleast don't opose ) with that change.
In the end, like it was said before, it is a internal Japanese problem, for sure. But they would need to change their constitution, and for that they would need to agree not only that
it needed a change, but there would be needed an agreeement in
what would need to be changed and
how . It is definitely not a fast process and it definitely does not follow that even being isekai'ed is enough of a reason to ignore a part of the Constitution ... ( just a thought experience : the Human rights were put in the Japanese constitution by the US in the same way the non-offensive clause ( remember, it is the
United Nations ( aka Allies ) Declaration of Human Rights, after all ). Being isekai'ed means there are no guaranteed human rights in this Japan anymore, just because it was the USA that have put them there? )
On the spoiler ... well, being this a Nippon Banzai series, that does not surprise me. Given the context , it is not that dificult to believe that eventually the JSDF would need a retooling ...