Many of us have plenty of experience in how difficult it can be to be a job seeker, but far fewer of us realize what it feels like to be at the other end of the deal. Hiring somebody is a big responsibility to both the company and the job applicant, and you pay for it when you get it wrong.
That being said, it's easy to get a little too involved in the whole process. While recruitment agencies are no silver bullet, they are designed to make things easier for those who are looking to hire—not that everyone sees it that way.
This is an issue that one former recruiter was up against when a client demanded that they be sent every eligible client that had applied for their role. What they didn't seem to realize is how much work they were creating for themselves. It seems like a lesson was eventually learned.