Have you heard of "freegans"?
The freegan website describes them as "...people who employ alternative strategies for living based
on limited participation in the conventional economy and minimal
consumption of resources."
That means they reclaim dumpstered/discarded food, amongst other sources, as the staple of their diet.
I strongly support wise use of resources and pushing back on consumerism, BUT…
(I don’t even know how to finish that sentence)