The prob is that we hev a bunch of guys here and around that will do whatever they can to get the best result of what they get even tweaking their mount out of any credible realism.
Devs shld test teh variability of what they release and decide to add some limits of what you can get. 20% - 30% max - seems fair to me and "real enough".
Frankly when I see one spit or one 109 plinking an entire formation of bomber the time I climb 1000m toward them it makes me willing only one things : RTB and switch of that "Sim".
We all know that some individuals can't be corrected... but lines of codes could be