You don't have to look further than Tribal societies to see that Humans are hardwired to compete with one an other. Individual humans can and will leave each other at peace if one doesn't 'compete/annoy' the other, add inherent human Tribalism on the other hand and you get ingroup and outgroup bias and competitiveness.Werra wrote: ↑Wed Oct 28, 2020 7:51 pmHas our history not been one long list of centuries where we could have eradicated each other, but didn't do it? Sure, there was war and there was conquest, but if no resources are in critical supply, humans tend to be remarkably peaceful left to their own devices. Organisations on the other hand are quite ruthless towards each other.dragoongfa wrote: ↑Tue Oct 27, 2020 7:06 pmAll in all; the rules became a thing because we as a species are more than eager to kill each other en mass and if we are allowed to do that then we would probably render ourselves extinct in a manner of decades, a century at the most.
It doesn't really matter if resources are abundant or scarce, the ingroup/outgroup tribal bias will induce competitiveness and violence. This tribal bias is for all intents and purposes hardwired into our basic instincts since before pre-hominids stood upright; in fact this tribal instinct seems to be hardwired into all advanced mammals and especially predators. A cohesive group with a strong ingroup/outgroup bias is by definition a far stronger group than a group without such a bias.
This tribal bias however isn't able to create extinction level conflicts, quite the contrary, the ingroup bias mandates that the group not take excessive loses in the pursuit of dominance over others as such loses weaken it to predation by other groups. In modern humans this can easily be seen in the 'ritualistic' style of tribal warfare exercised by Native American and African tribes. For all intents and purposes these tribes rarely if at all suffered true resource scarcity that would necessitate the risk of high losses in warfighting, as such their wars were more like 'rituals' of dominance where raiding for livestock and women were the common themes; with low casualties where the old and the weak were culled out. If a tribe got too big then the others would band together and bring them down while 'peace deals/alliances' were always marked by marriage between various tribe members.
The above tribal warfare doesn't mean that the tribals didn't hate each other, they did hate each other and had no compulsions in making the other side know about. Hate is a natural reaction to have to a 'competitor/enemy', it's simply there to overcome our natural empathy towards others and judging on how easy it is to hate the 'other' and thus fight them to the death it is a quite effective evolutionary tool to have. Especially if you are in a Tribal setting, or a pseudo Tribal setting (see the modern Hooligan and Ultra fan organizations for various sports clubs, these are by definitions 'Tribes' with a strong 'ingroup/outgroup' bias). It also bears notice that an other evolutionary trait we have is the ability to disassociate an 'Other' from being an enemy, it takes time but the instinct to remove the 'Other' from being an enemy is there, provided certain psychological conditions are met; these conditions often being respect and association through common tribal behaviors or physiological traits).
The problem rises when you take this hardwired Tribal bias and give it industrial and post industrial weaponry and abilities. It becomes all too easy and quick to kill en masse with such weapons and thus making it impossible for our natural tendencies to stop the bias by itself.
You don't have to look further back than the Rwandan genocide to see a grim example of a Tribal war devolving into an industrial era genocide. With guns, motorization and rapid communication it is extremely easy for a tribe moved by hatred to massacre an other tribe en masse. Nearly a million died in three months simply because one 'tribe' wanted to depose an other. I say tribe because that was and still is the driving mindset in Africa and other parts of the world (you don't have to go further than the various City-States of the West to see tribal examples in Western cultures). Such a mindset is all well and good, if not nearly harmless, when one fights with sword, spear and bow while traveling on foot and horseback but add industrial weaponry and it is all too easy to simply genocide an other tribe.
Which brings us to the root as to why we have instituted rules in warfare. Humans are by our nature tribalistic; we want to belong in a tribe and we want our tribe to be 'great' and 'respected'. This is hardwired to us and cannot be removed; attempt to remove the existing tribal apparatus and humans will invent others to replace them. Tribes will always fight one an other for resources, dominance and respect. These tribal instincts evolved over millions of years in which these conflicts were limited in scope and beneficiary from an evolutionary standpoint.
Now humans have species ending technologies while still having 'Tribal hardware' that dictates our instinctual behavior. We need the rules in place to ensure that we don't cross the lines and start massacring each other to the point of extinction. It's a neat 'trick' to control our natural tendencies to go overboard when hating an 'Other'.
Closing, I believe that any and all attempts to 'homogenize' humanity are doomed to failure. Homogenized Humans will simply create other tribes to differentiate themselves and the mere move to control this tendency will create a tribe whose sole purpose would be to counter said move. Best to juggle the current mess and impose societal 'controls' and 'laws' on the behavior rather than futilely trying to alter the behavior itself.