The atrophy of personal cooking in the United States is a broad and pretty well documented phenomenon: "The percentage of daily energy consumed from home food sources and time spent in food preparation decreased significantly for all socioeconomic groups between 1965–1966 and 2007–2008" [1]

* https://www.theatlantic.com/health/archive/2019/10/work-its-... * https://www.washingtonpost.com/news/wonk/wp/2015/03/05/the-s... * https://hbr.org/2017/09/the-grocery-industry-confronts-a-new... * [1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3639863/