It helps children develop balance, strength, and coordination.

While sibling bickering is normal, some forms of fighting require more intensive management: Understanding and Managing Sibling Conflict in Families

While this stops the immediate noise, it doesn’t solve the problem. In fact, acting as the judge often makes things worse. It teaches one child they are the "victim" and the other that they are the "aggressor." It also prevents them from learning how to resolve conflict independently.