I loved this story but do want to point out that modern hunter-gatherers "work" about 15-20 hours per week - and that was undoubtedly true for our ancient ancestors as well. Farming is a lot more labor intensive although "growing" some plants closer to existing bodies of water was a very sensible kind of hybrid foraging and is absolutely the early precursor to what we tend to think of as agriculture.
https://www.sciencedaily.com/releases/2019/05/190520115646.htm
Dr. Dyble, first author of the study, says: "For a long time, the transition from foraging to farming was assumed to represent progress, allowing people to escape an arduous and precarious way of life.
"But as soon as anthropologists started working with hunter-gatherers they began questioning this narrative, finding that foragers actually enjoy quite a lot of leisure time. Our data provides some of the clearest support for this idea yet."