How is this meant to be realistic in the slightest? It is restrictive and immersion breaking.Destroying and dropping objects in tribe zones by non tribe members blocked.
Artificial barriers ruin games. This is meant to be a sandbox. Please remove stuff like this.
Also whilst you are at it remove artificial locks on containers that stops people thieving. Thieving is life - don't leave containers outside that is all. At the least make the locks on containers breakable.