As long as an uncontacted tribe desires isolation and isn't a threat to anyone, in any capacity, the ethical move is to leave them to their devices. When they start attacking and pillaging villages around, they've become a threat, and needs to be dealt with in a non-violent fashion.
As long as an uncontacted tribe desires isolation and isn't a threat to anyone, in any capacity, the ethical move is to leave them to their devices. When they start attacking and pillaging villages around, they've become a threat, and needs to be dealt with in a non-violent fashion.