Received an unsolicited interview request from recruiter stating that they are "looking for someone with [my] background to take it to the next level". Provided availability. Next message was 3 days later stating they've "decided not to move forward." Why even bother contacting me in the 1st place?

It was in a Sunday Zoom interview. I was also asked questions about myself. For example, we talked about situations in front of the previous boss and situations in which I thought "outside the box"