I take your point, and it might not cost them anything to leave a position unfilled for a year, but I'm sure weeding through hundreds or thousands of applicatio

I take your point, and it might not cost them anything to leave a position unfilled for a year, but I'm sure weeding through hundreds or thousands of applications costs them money. The amazing part about it is that they're OK with wasting time and money knowing they're not going to find anyone for the job.