Earlier quoted context omitted.
Like most normal well adjusted people, I don't steal and I expect and find that those around me do the same. The reason my coworkers haven't stolen the keyboard off my desk when I go to get coffee isn't the government, it is just because they have some base-level respect for me. Clearly the concept of property, at least as it exists in my office, is not an artifact of some governing body. It exists despite that; it e…
That's a good point. The last time I was reading about this I found out that some anarchists (pacifists, maybe) refer to this idea as "possession", to distinguish it from property. It's not "your" keyboard (in this case it probably belongs to the company), but you're using it right now, so it would be indecent to take it away from you.
Either way, I think it stems from the same basic human desire, probably hardwired, to not have things taken and to have some basic loyalty or respect to members of your 'tribe'. (After all, governments are made of people and those people must have thought the concept of 'property' was a good idea for some reason.)