NPCs are not really fond of trading in Gallia. It used to be you could still do it when the server load was higher... but if you got 8 SNAC-spamming bombers on you before...
Everything else I don't mind so much, but NPCs in Gallia can swing an easy fight for one side into an utter massacre for the other. Particularly in cap battles, which is why we always hold them above Planet Tonnerre where there AREN'T NPCs. Every event there ever has been done off the map so we don't get NPCs.