That was alright, and I appreciate your answer.First of all, my apologies for cropping your post, but since RRR already answered the rest satisfactory, I see no harm in it.
...would create a problem of efficiency for that society. As I said, it is a terrible waste to send a surgeon scrubbing streets.However, a certain rotation of tasks will be beneficial here.
I agree that if communism is ever to come into being, a major shift in people's attitudes is required. However, you are becoming dangerously close to saying that something which would objectively be a problem can be mitigated by brainwashing people into disregarding it. Watch out here.The problem will also be mitigated by the fact that one might suppose that in the process towards a classless society, people's attitudes will have changed. In other words, it is partly a pedagogical matter.

To keep this legal, I'd ask another more hypothetical question:
Would you agree that when comparing two systems of economy, the one which, ceteris paribus, gives both higher income per capita and higher mode/median of income of individuals is superior and preferable to another? (Kind of utilitarian philosophy here.)
And by extension: if it could be proven that capitalism wins this comparison (I agree that it is and likely never will be possible to get quite ceteris paribus comparison), would you still prefer communism?