More like it showed underlying foraging habits of people and the effects of dopamine release that triggers a shift interest. It doesn’t make sense unless you realize this is also a measurable effect we can see ants doing with negative pheromones when a food source diminishes. Foragers tend to Value new things over old, and increases over decreases because our systems are geared to integrate time and the effects of foraging as part of the prediction.
This also doesn’t seem to take into account social rewards and the prestige of finding cookies you can share.
Why do I know this? Gambling in macack monkeys triggers the same mental pathways as when foraging and my friend works across the hall from the scientist doing the brain studies.