2. "Bowl" and "Wan" are homophonic, and bowls are given to save each other's feelings.
3. Receiving a bowl from others feels like "asking for a rice bowl", just like asking for a meal.
4. Giving a golden rice bowl is equivalent to giving wealth.
A rice bowl can be understood as a source of money (work) other than tableware. Giving a job is equivalent to giving all your sources of money to others.