It is also like that if you are the first person to update. I've done it a couple times where I reload GW really fast after a update an no one is there. This is a posibility too and would explain the lack of the, "New build message."
Slowly the population of LA is decreasing. As a prove when you last tried to sell something at LA. I am sure that something can happen to kaineng when people become sure where to be the Bazaar city. As far as I know it is Kamadan.