OMG. I figured the whole thing out by complete accident, and boy do I feel silly. While normally my male bravado would keep me from saying anything, it's good for a laugh... and maybe it will help out someone in the future.
I was walking around and still wondering about why this Z problem was there. I wondered, idly debating some kind of medicinal fix to relax, what else had issues with Zs. Ilshenar! Yes, Ilshenar has some crazy Zs. I wonder if the Z problem would exist over there. Being as it's been a while for me in using admin commands, I typed [go. Guess what I see?
Trammel.
FML. Switched facets, problem solved.