This is due to artificial scarcity. The world is abundant in resources. In an equitable society, people may steal, but when everyone has their needs met, anything else is extra, and surprisingly many may be happy with “enough” or “enough plus a little with storable necessities belonging to everyone.”
This is simply incorrect on so many levels. There are people who will simply not abide by the social structures you are talking about. You are assuming an idolized group of people where there is no evil. Evil doesn’t magically disappear without capitalism…
That’s a very disingenuous assertion. I quantified my statement, you are the one assigning absolutes, and unfortunately, absolutes are idolized and probably not realistic any exact sense. Variables exist but not equally, everywhere, always (unless we’re talking about carefully controlled labs, and human error and unforeseen events still happen that may not be immediately apparent.