Rewarding people for good outcomes and punishing them for bad ones is relatively easy when the quality of the outcomes is easy to measure.
Outcomes are simple to measure.
Outcomes are too complex to accurately measure.
but the inspector who is super truthful?
Children are driving go-carts.
The woman is swimming with sharks.
John is the unknown underdog going into the fight.
The soccer players are on a boat.
In a street market, people are socializing while vendors are selling items.