I've got to agree with this idea. It would definately work. It would put the better pilots in the lesser planes, they would do some amazing things in them, land many kills, and encourage others to also try them. I've always contended that a great fighter pilot in Aces High could rank highly in just about any plane.
The simple fact is, perks in and of themselves are not a strong enough motivator to diversify plane choices. Like many, many others I can count the number of times I've flown a perk plane on one hand, so have a bazillion perks already. Making kills in inferior planes more statistically significant would make them appeal to those types that fly the big 4 almost exclusively. For those who do fly perk planes or already do take advantage of lesser planes in the set, it would just be business as usual.
I've thought about Jodgi's idea and cannot come up with a single effect this would have that could in any way be construed as having a negative impact on the game or gameplay. I hope HiTech reads this. Although this change would be subtle and not incredibly important to a significant demographic of the AH population it could have a profound effect on the 'feel' of the MA in a very positive way. Diversifying encounters in the MA is the key to keeping the game interesting and fresh, preventing that same 'ole, same 'ole run-on burn-out feeling everyone suffers from time to time.
Zazen