Thrila, I indicated 26 spits, not the mark (IX + V + Seafire). In any case, this is my experience in MA, perhaps you are more lucky and have found much more diversification than me in the last 5 tours.
And, in the case of a clear overusage of 190D9, I would be the first to jump into a different ride and I would be happy having it perked.
At the present tour, all 190s have been kilt 9018 (3872 for D9) times for 28157 (13406 for IX) of Spits. I cant see how actual D9 usage may be a problem in MA aircraft diversification.
About the P51, it is really used in a multipurpose role (attack/fighter), so I'm not surprised by its number of kills or deaths, but that is not the case of spits/N1k2/La7 with very limited jabo capabilities.
Karnak, how rarely I kill P51s? OMG, it is just the 4 in the list.
As an example of a completed tour, tour 35 D9 vs XXX.
D9 vs P51s(D+B) 79/1
D9 vs Spits(all models) 185/6
D9 vs La7 88/3
D9 vs N1K2 41/6
of a total of 798 kills in D9, that is 50% of kills where these four planes out of 50 available.