Balance has been discusses to death. Some people want Blue to be far stronger (because IRL or something), some people want symmetric balance i.e. every plane / helo has a direct oppoonent on the other team;
and some people advocate for asymmetric balance, like you're saying. I think this is the best we can do in DCS with the module set and the coming modules. It is also the way most Real Time Strategy games are balanced, each side has pros and cons and a different set of units but in general, each force as a whole, is balanced, all else being equal.