Japan was already fighting a massive war in China, after the US oil embargo Japan basically had no choice (besides a completely changing their geopolitical goal

Japan was already fighting a massive war in China, after the US oil embargo Japan basically had no choice (besides a completely changing their geopolitical goals) they had to invade Indonesia and other oil rich European colonies in the pacific which would likely result in a war with the US, so yes, they choose relatively rational option of attacking first hoping if not to knock out US out of the Pacific but at least to significantly weaken their presence there. They might have underestimated the industrial capacity of the US, but they hardly had any other options if they wanted to continue their imperialistic expansion. I don't see how is that relevant in the case of Russia though, they have little to gain and a lot to loose from any war with NATO or invasion of any NATO countries and so far Putin or anyone did not indicate in anyway that they think otherwise.