Bruh that was the world before formal society and family structure. Nomadic tribes, and later agrarian societies, getting boonkganged/ravaged by random groups of scavenger men (ie. Vikings) in search of conquest ---> hence the term rape and pillage. Why rape when you have your own women? Why pillage when you have your own means?
One of the truer sayings is "Misery needs company"
Brush up on your anthropology and world history I don't have time to pull articles and cite sources, not to be a dikk but moments like these is where I tell people I'm not a teacher, and you slick should already know this. Why do you think lower class men where in enslaved (serfs, slaves, indentured servants, etc.) in various societies.
The haves know if the have nots aren't occupied it's only a matter of time before they come knocking so they constantly keep them distracted/bonded to menial things (materialism), long term issues (debt), or commitments (families) so they don't solve the REAL problems.
That's why most people have to be stupid/ignorant for modern capitalism, and similar hierarchies to stay intact. It's all by design.