Lumifer comments on Open Thread, Aug. 15. - Aug 21. 2016 - Less Wrong

5 Post author: Elo 15 August 2016 12:26AM

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Comment author: Romashka 17 August 2016 07:54:07PM 0 points [-]

If nomads united into large hordes to go to war, shouldn't the change in the number of men living together have had some noticeable psychological effect on the warriors? I mean, the Wikipedia says that "a Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships", and surely they had to co-work with lots more people than during peace?

Comment author: Lumifer 18 August 2016 03:40:45PM *  3 points [-]

You don't "maintain stable social relationships" with the whole horde, you maintain them with your small unit. And the military hierarchy exists so that people have to coordinate only a limited number of entities: if you're a grunt, you need to coordinate only with people immediately around you; if you're a mid-level officer you coordinate a limited number of platoons, if you're a general you coordinate a limited number of regiments.

A soldier does not meaningfully "co-work" with the whole army.