The majority of people
would likely beare feudal peasants, working under a warmonger family that owns the sustaining land by force. No upward mobility except through bloodshed.
FTFY
No, if you’re lucky, clever enough, overwork yourself, or manipulate others you can live a somewhat comfortable life. Those methods don’t require taking a life.
Comfortable as in “you have a heated living space, food on the table, and security.” Don’t be dense.