What I nean by instanced, is that player A can gather from the same rock/tree as player B at the same with the usual respawn timers. I think this would benefit the health of the game economy, by giving a good injection of the harder to obtain materials like gemstones, truffles, and translucent ice, and so you can go to these places and not be constantly dissapointed that someone else was there earlier and the nodes havent respawned. Additionally, It would make gathering a much more social lifeskill, its way more funner to do it when your guildies are near you gathering saps from the same trees, rather than needing to do it on seperate servers. 

Just switch server there is more than 40....