A person can borrow the interpretation that changes everything, but owning it is a decision nobody else can make.
The dream belonged to another man and so did the reading of it; what belonged to the one listening was the decision to let that reading be true about him. Meaning taken personally changes a body on the spot, and the worship was the state change, not the ceremony.
From there the third decision costs nothing, because a man who is certain does not argue himself into the camp, he arrives already moving, and three hundred people catch the state before they ever weigh the odds. Wait for Yahweh's deliverance to be visible before letting it mean anything and the hour that needed a man closes while he is still gathering proof.