I just received an Excavator badge for Why can't I access my FTP server with Windows Explorer?.
However, I was just browsing the home page, not merely looking for old posts; this question appeared like this (it's a different site, but you get the idea):
The question detail was like this:
My point is, it was the Community♦ user who "excavated" this question, not me. I was just browsing the home page feed, there was no "excavation" from my side.
If this is a bug or feature, I don't know.