It would likely still rub you the wrong way (as it did me, for a long time), but, the more you understand it (and the more you understand its limitations as well), the less this will be the case.
Just fyi, both psychologists and economists offer models to policymakers, and it is the economists' models that are found far more effective at explaining behavior.
When it really comes down to it, it is psychology, in some sense. It's decision theory.
If you've ever seen 'A Beautiful Mind', the main character's key contribution for which he won the Nobel Prize (i.e., "game theory") is one of the most important developments in economic (and decision) theory over the last 50+ years; and, in the movie, he had his key moment of clarity while deciding with his buddies what would be the most rational way for them to approach a group of girls...