I try not to frown too much on quitters. In the very beginning I got very frustrated a quit a couple of games too and contemplated just giving up completely. I fully admit it! I got over it and started sticking too it and actually started unlocking some planes
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Look at it from their point of view: Some are new (like me) or very young (not like me). Heck, momma might be calling them to do their homework. If you are absolutely blowing someone out then give them a reason to stick around. There is no reason you can't let someone have 1 kill to your 10. Even as much as a no0b as I am; I'll give someone a chance that no one has given me yet. I bet if you will let a quitter think he/she can be competitive in a match they'll start to stick around.
The learning curve of this game is kinda steep from my point of view. I wish I could have run into some of you guys before...I stand to learn a lot.