orthodawg, it very well could be that you happen to call right after someone canceled, but those same wordings were experienced by others. My previous post specifically refers to Case Western and their 1/7 dates. (Next few sentences are my PERSONAL conclusions.) They interview their home students and rotators with their first two dates, and leave this 1/7 open, perhaps not all spots, but at least some, for those people who are qualified on paper but with less connection to Case or Cleveland. So they send out a mass e-mail saying everyone is on a wait list, essentially invites the applicants to show them love; anyone who does gets a spot. Oh I am sure interviewees from 1/7 will match, as long as the program is sure you'll go there. This is my guess and I am not saying anything controversial; it's all a game between applicants and the programs, and they play us and we play them. You can't fault the programs because each of us applies to like 50 programs, and with their limited interview spots they can't take the "best" but the 'best" who will want to go there. It's an important question that needs to be discussed amongst the residency coordinators; we can cap to, say, 10 programs per applicant, but ERAS ain't going to make that happen.
Kimball, your judgment is as good as mine. PDs like Dr. Levine from Columbia seems to be more involved with sending out invites, whereas most other coordinators seem to have a lot of say beyond a certain point.
good luck.