You'd expect quite some folks in Hydlaa to know about Sarpendil and the beautiful Cups of Laanx, as those are only located a few kilometres outside of Ojaveda. They don't however, not even the Vigesimi and various merchants know about it's existence.
Also, not everyone with a staff has the correct reply yet. I'm not sure how many NPCs with a staff are around already, but for example Nodramok Dakyl still has the old response.