Pride will trade a cure for a ceremony every time, and call the trade dignity.
A belief that value must be earned by difficulty turns a simple instruction into an insult, the insult sets the state, and the state points a man back down the road with his skin still ruined. The great thing he came prepared to do was a condition he had placed on his own healing.
The servants move his focus off what the water says about his standing and onto what refusing it costs. Washing is what turns the prophet's word into his own conviction; an argument won in his head would have changed nothing on his body. A man who waits for an assignment worthy of his rank keeps the rank and keeps the disease.