why il2cod can't perform as good as this: (?)

[highness]

http://www.youtube.com/watch?v=sJXdNtulwLQ

http://www.youtube.com/watch?v=tbs0myDheaM

in tha sim, only switzerland is modeled as terrain and the flight physics seem to be very decent too, while in il2cod less than the size of switzerland area of terrain is modeled...

why il2cod can't perform as good as that?

i don't know what to think ...

... doh!

ps: and btw, where is the *_è-'%*#** SU-26 .????????????