If you want turf wars, even if everything else is perfect: Create turfs. The worst period (and the only bad period) of my own company was during the time when t

If you want turf wars, even if everything else is perfect: Create turfs. The worst period (and the only bad period) of my own company was during the time when teams working with overlapping stuff worked at different locations (at the time this was simply because we didn't have the room. Fortunately we could get back into the same site when we moved to a bigger location, but it took years to heal what the separate locations cost us).