The more wrong they are the more they n down. One of these days that strategy may pay off. Better than admitting you're incompetent egotistical dumbasses who have been acting like nazis.
Some rewards can be worth certain penalties (pain) if within certain thresholds. Exhaustion fatigue can also play in.
You can of course boil them down to a single number, it just produces less nuanced types of decisions/operations, as it can’t differentiate between a cheap, painful, but bountiful choice and a expensive, no pain, mediocre choice.
I think there needs to also be a concept of death—penalties from which recovery is impossible. Nonergodicity seems to be a requirement for the development of antifragility.