I would like to remind you not only to talk about the Swedes and the Incas please, there are several topics that talk about the balance of the Japanese, in the votes you did in your post the Japanese are above the Incas and very close to the Swedes!
If you want topics that talk about the subject, I can pass you up to 2
https://forums.ageofempires.com/t/first-the-swedes-then-the-incas-and-now-the-japanese-please/108374
https://forums.ageofempires.com/t/why-does-ashigaru-move-at-4-5-speed-its-faster-that-most-range-infantery/108519/32