I think anyone who has posted since the last reset/prune has a last post, regardless of how many posts they have - so anyone who posted 500 times before the last prune and never again has done so wouldn't have a last post thingy.
...that sounds weird and makes little sense, and I'm not sure anyways, so dismiss this post altogether.
TM™ ...haha.
EDIT: Oh, and it looks like I'm dumb too. *nod*
