He definately helped. I mean, come on,,,,we have a very talented drummer with the personality of a cherub and thats not even mentioning his novelty name,,,Ringo Starr. It was a cant miss. As for the actual question,,,no. Paul, John, and george wrote better songs than anybody and they were going to be played regardless if it was a studio drummer, Ringo, pete, paul, or whatever. Just to good to place the emphasis on any one section.