Because the whining sure is balanced!
We got RAF whining about flying 1942 planes vs. 1945 planes. And the case of the missing Typhoon drop tanks.
We got USAAF whining about the .50 cal, wing bolts, acceleration, and German FM's.
We got USN whining about induced drag, acceleration, and Japanese FM's.
We got the Luftwaffles whining about.. everything.

The only ones not whining are the VVS and Japanese pilots. Allow me to whine for them:
VVS was noted for shredding the Wehrmacht, but it's not possible in this game. Where is the dang Il-2 or Il-10 or Pe-2 or Tu-2? Why isn't the Yak given the full variety of gun loadouts like the krauts planes?
Where is the Ki-44, Ki-61, Ki-100 or ANY Army Air Force fighter? Where is a Japanese bomber of any type? What's with the Zeke roll rate and turn rate?