Don't see how you could state that with certainty. Whether they are losing money or not depends on the average spending of each player with queue vs without it. It requires fine-tuning for which you and me don't have the data for.
Second part is a slippery slope, since I spoke for the auction house and nothing else. There's a point to be made that it might affect how live the server appears to be, which in turn may affect the actual "liveness", and that can be discussed, but that's a different issue.