I agree with Moses and Horton too.
If you ask the question, did Allied strategic bombing by itself bring Germany to its knees, then the answer is, no. But you’d be asking for too much.
In the '20s and 30s there were airpower advocates (like Billy Mitchell in the U.S.)who predicted that future wars would be won by bombers alone. These people were proved wrong in WWII, but this lack of total success should not cause one to go the opposite extreme and say the effort did no good.
Allied bombing was one of the major reasons for the defeat of Germany. Although it did not stop Axis production, it hindered it greatly, and as Moses points out so well it destroyed the Luftwaffe by drawing it out to fight against unfavorable odds. By June 6, 1944, the Luftwaffe just wasn’t around anymore in France. And that total control of the air is what enabled the Allies to take Normandy and then the rest of France.