Just Throwing 2 cents in there..that probably would work better for a VV way down the road ...possibly VV4..when the full..North, South, East and West of Isola has been inhabitated by our lil guys, but I'm going to post it anyway. Since VV1 had the fresh water and berries, that VV2 didnt, and VV2 has the coconuts that VV1 didnt, I'm assuming the trend will be that each subsequent version will have something that the others dont, and will lose something that the previous version had. Once the full island has life and the various tribes, Id like to see them setting up a trading post of sorts between the tribes. Where they trade something they have, (ie coconuts) for fresh water.
I play Settlers 6 and while I dont do the fighting part well, (I'm a wuss) and would never want to see our lil guys waging wars or battles, I love the economic building and trading aspect of the game. For our villagers, it would not have to be simply goods that are traded, but also knowlege, to enhance each village individually. Example: VV2 teaches VV1 how to make fire, VV1 now has less sick peeps. Especially during a rainy season (if 'seasons' were introduced). In turn VV1 had different medicinal plants that may have helped/cured something that VV2 was not able to care for even with the hospital.
Anyway, just a long look down the road....err across the waterfalls to the someday VV4.