Expansion packs have been such gaming cash cows as far back as I could remember. I'm reminded of the Do 335, Go 229 and P-38 expansion packs for Secret Weapons of the Luftwaffe. If the game is nothing but a good thing, then keep cashing in on them! You know I'll buy them.
So... why not issue an expansion pack for BOA2? I'm thinking of Wars in the West. The map could stretch from San Francisco to Kansas City, from Ft. Laramie to Mexico City. Then you could cover such conflicts as the Apache Wars, Mexican-American War, War of Texas Independence, Pueblo Revolt and Sibley's Invasion of New Mexico.
Or take the new and beautiful NCP map. You can recreate several 18th century wars from the Great Northern War through the First Coalition! I would buy those in a heartbeat!
It sure beats keeping quality staff chasing after time-draining patches that bring in ZERO revenue.