If you're writing a piece for the Boston Pops, the balance is towards one end. If you're writing a piece for a chamber music society, then it's towards another point. I won't make a final answer on that. I think it changes with every piece.
During my time, there might have been one pitcher or two that were top pitchers on a team. Teams that won maybe had three, but today they have a lot of depth. They have a lot of long relievers, short relievers, and the strategy is different.

