It's essentially impossible to have a job opening without making choices that will directly affect which people see that job opening. If you go to some university's job fair, you're selecting for the students at that university. If you had chosen to go to a different university's job fair instead, the students who were exposed to your job posting would likely have different qualities. There is no "default behavior that doesn't constitute making a choice," thus the only thing we can debate is the virtues of which particular choice was made, not whether a choice was made.