Only 370 Komets were built.
Only 3000 B-29s were built during the war.
About 400 Nikis were made.
About 2000 TU-2s were made.
About 1800 190D9s were built.
About 1200 Tempests...im sure there are many more cases to show that 2000 is not necessarily a low figure.
Yes.
But for scenarios and FSO's, we use the aircraft that were predominantly in particular battles. The main aircraft of the war, mostly.
We have no B-25J, the most-produced B-25 of them all (about half of all B-25's produced were B-25J's). The B-25J was enormously used in the PTO, MTO, CBI, Eastern Front (by Soviets), ETO (by British). B-25C is a terrible analog, as it has no ability to shoot at a fighter directly on 6 o'clock (top turret guns don't depress far enough, and no tail gun), making it a disaster in scenarios, and bomber pilots despise flying it.
We have no Pe-2, but 11,000 of them were made in WWII. Hugely used on the Eastern Front.
We have no Beaufighter. 6000 made in WWII. Used a lot in MTO, ETO, PTO, CBI, Eastern Front (by Soviets).
For scenarios, those are the top 3 gaps. And they are big gaps that affect large portions of what we do in historical setups.