There are a lot of unions that involve "superstar" style distributions of labor and equity, and they manage it just fine. For example players unions, the DGA an

There are a lot of unions that involve "superstar" style distributions of labor and equity, and they manage it just fine. For example players unions, the DGA and SAG/AFTRA all have about as extreme a distribution as you could imagine. The key is to set minimums for performance, not maximums. That prevents exploitation without limiting individual performance.