“Okay, Japan was not part of the Marshall Plan, but we did at least as much for Japan, as we did for Germany.”
We did nothing like that.
MacArthur instituted major economic, political and social reforms in postwar Japan but there was no economic largesse like the Marshall Plan. The only boost that they got from us came in 1950-53 when we used Japan as a base for the Korean War.
You can read about it here:
https://history.state.gov/milestones/1945-1952/japan-reconstruction
So, you are claiming Japan had it’s own military all that time, and it wasn’t paid for by the U.S.?