Cadies, Ladas, Renault, who cares! This war between Boeing and Airbus has been going on since the beginning. It's the same as the French vs English, is there anyone better? Both have screwed the world as we know it! The French have screwed most of Africa, and the English the rest of the world. Well, still there is the Portuguese and Spanish in there but not to the same extent. Look at the greeks vs turkish, mainland china vs japan vs korea, etc...
Bottom line is that they're just a tool and even the best tools in the world won't do the job if not used for its purpose. I can try to fix a car engine with only the best of Revlon's nail cutter or eye liner but it was not meant for that. That's the same way here, using A330's to do a DMM, DOH etc. You never utilize an airplane to its full potential if you don't fly it close to its max range.
So it's neither the Boeing of Airbus's fault it's the owner!!!! It won't be long before our brand new A320 will start having APU's problems during the summer or that the new B787 will fall apart for poor maintenance!
On that thought, cheers and do the best with what you've got, which is not much!