Humans are pretty good at creating excessive demand (it's what lots of marketing is about). With food: "oh, this apple has scratch marks from insects, throw it

Humans are pretty good at creating excessive demand (it's what lots of marketing is about). With food: "oh, this apple has scratch marks from insects, throw it in the bin" — this is just one of them. "Best before" dates in the past results in lot of untasted food go to waste too. Etc.