For me it is not a question of realism. It is a question of available strategies. KGF and JTDM are stille the avenue to victory. Sure you can try something different. Someone has won games buying tons of BB with USA and then wiping Japan from the board for example … someone has won playing KJF and reducing Japan to control only Tokio … someone has won conquering London … but it seems to me that the numbers and the statistics say that KGF and JTDM are the more effective way of obtaining victory. Or I am making a mistake?
We already had three games that plays in such way: Classic, Revised and also Anniversary. We need a fourth? Maybe not.
What could be done then? Trying to introduce some variations in the game that allows for several different strategies to work could be interesting. For chance the two things of allowing the game to be more near to the history and allowing for several strategies to work seems be consonant. Allowing more action in the Pacific goes in such direction. Splitting the victory condition of the Axis also goes in such direction: Germany and Japan were only fighting the same enemies they did not coordinate their strategies. They were even jealous of the success of each other. Also winnig by conquering the enemy capital (and capturing a big safe with the writing enemy treasure containing ALL the IPCs of the enemy) is a dream. Moreover IPCs should be something like industrial capacity how is possible to store them in a safe and allowing the enemy o capture such safe?
Victory should be gained controlling key territories on the map (politically and economically relevants). Such key territories are different for different nations. Thay may be spread all over the board allowing different part of the map to be relevant for differen nations. Such points shoul be defended by IC and such IC, when in danger of falling in enemy hands, should be possibily destroyed by the owner. Victory cities (introduced in Revised) and NOs (introduced in Anniversary) could be used to make for such problems. Divide the national treasure of a Nation for his Victory Cities. So each VC is territoy that works as regional centre, that collects, and spend, the income of a set of territories. So not a unique capital but more than one. Lose such territory and you lose the ability to collect income in certain amount of territories. Moreover such territories may also give victory points that added to a runnig total, updated at each end of round, allows a nations to claim victory. Allow a nation to won with its own objectives, that are different and involve different territories.
Finally the question of historicity for me: the game has historical theme, the WWII, naturally it should allow for alternative results (fantasy), allowing for different strategies (not only 1 for each side). However such strategies should be even slightly “realistic” because the “war” is fought on territories that have geographic and economic features.