If you can't learn something from a job, then what have we all been putting on our resumes? Some things fall under (questionably enforceable) non-competes, and

If you can't learn something from a job, then what have we all been putting on our resumes? Some things fall under (questionably enforceable) non-competes, and some things don't. If you learn how to run a purchasing department at K-Mart, does that mean you can't use the knowledge you gained to run the purchasing department at Target? What qualifies as "infrastructure and intelligence"?