Listen, Eric answered this in this thread and in mUltiple other threads.
Just try to understand it. It's either they weigh it the way they weigh it, or you will never get any dlc maps, since you will besnatched with:
->1 person who has map pack 1
-> 1 person who has map pack 2
-> 1 person who has DD map pack
And then the only map choice would be default maps.
To solve this problem til ND has to do is