Earlier quoted context omitted.
At a very general level once you move past subsistence farming you become reliant on society to provide your needs. And in turn provide some value that can only come from spending your time on things other than farming. And that is I suppose how civilization advances. Its kind of funny to work backwards though, because even subsistence farmers are reliant on society for protection -- they are farmers not soldiers aft…
There's an interesting misconception that humans developed agricultural societies because they achieved better outcomes as individuals. Research shows that hunter-gatherers were healthy and better nourished than humans in early agricultural settlements. What's probably closer to truth is that many humans were forced to join farming communities. Stronger individuals or tribes probably enslaved others, and then forced…
AFAIK humanity is yet to produce a society where the majority of farm laborers are fully free to leave the land they work on (whether via having their papers confiscated, their wages held until the season ends, by having transport provided to a remote farm but the trip back withheld etc). We've seen improvements in the degree of freedom, particularly over the past century and especially the past 50 years, but it's still very low compared to urban dwellers.
1: "Against the Grain", James C Scott