That and buyers preferring “pretty”/consistent produce, which means supermarkets only want to buy produce to spec because the other stuff won’t sell as well, shelf space is limited and it costs the supermarket more to waste unsold food than to just not buy food unlikely to sell. There are online markets out there that sell “ugly” produce that’s not to spec, but they aren’t broadly popular enough to make a huge dent in waste.
See, you’ve found the issue they’re trying to avoid.
That and buyers preferring “pretty”/consistent produce, which means supermarkets only want to buy produce to spec because the other stuff won’t sell as well, shelf space is limited and it costs the supermarket more to waste unsold food than to just not buy food unlikely to sell. There are online markets out there that sell “ugly” produce that’s not to spec, but they aren’t broadly popular enough to make a huge dent in waste.