Anyone who thinks they can recreate the WW2 air combat experience in any way, online or off, is out of their mind.
Really guys, it a freaking video game.
A very good one and one that I dearly love, but it's just a video game and none of you are in any danger of death or injury playing it.
Ergo, it can never approach the kind of realism you keep yapping about, as you fly from the comfort of your den, in your nice comfortable chair, with the volume of your speakers or headsets adjusted so as not to cause you to go deaf after 20 missions.