Good reason for strict purchase limits

[cargol]

I dont have a problem with Big Cats as long as my opponent accepts a rematch with reversed sides.
If he refuses to play as Allies i just erase him from my playlist.
My so far experience says that players which are trying to exploit only the hardware which is given to them or are trying to always win on the purchase screen they are either getting bored easily and quit CM or very quick they dont have with whom to play as nobody wants to play with them.