The high schoolers and their families I worked with in the inner city had no access to natural areas. I guess they could dumpster dive, but most places lock or contaminate their dumpsters. I’m not arguing that it is impossible everywhere. But foraging requires living an area that supports it, and having the knowledge base specific to that area. Some areas will have kind and knowledgeable people who will be willing to help educate, some will not. Foraging can be dangerous - deadly species can look like edible species. If you use online resources without training, you could easily misidentify a species - there are many many poisonous plant and fungi species that look identical to choice species. Areas can also be contaminated - the area I did my field work had extremely high levels of arsenic and there would have been no way I could have known if I wasn’t doing field work there!
Suggesting that one is lazy by being unable to forage for their survival is, well I’m struggling to find a word less unkind than idiotic but maybe naïve is better.