Not to stray too far from baseball, but I was talking with a few guys who had recently retired. They both worked for part of their careers in small, family-owned businesses, and for large, NYSE-traded megacorporations.
Both noted how the smaller organizations did a much better job of finding good people and committing to those people, while the megacorps were just driven by the quarterly earnings report at the expense of people.
I don't know that the Brewers and Dodgers are as different as a small business and a megacorporation, but having good people probably helps MKE draw in a few extra fans at the margins, where the Dodgers will always have the casual millions of Angelinos who will throw money at tickets, regardless of the makeup of the team.