I was once turned down for a job because the interviewer didn't feel I wanted the job enough.
A recruiter contacted me on linkedin, asked if I would like a good job, I said that I would be a fool not to consider the right offer, but I was happy in my current job. I went through a phone interview, then the face to face interview. I don't think the face to face interviewer got the memo that they were selling me the job, not that I was selling them my skills. So I didn't get an offer, instead I got a polite "thanks but no thanks" response.
Two weeks later they got back in touch and asked if I was still interested. I wasn't. I guess no one else was either.