Why do supermarkets sell organic products wrapped in non-cyclable plastic?

We find organic mushrooms in non-recyclable trays next to plain veg in compostable wrappingMy environmentally conscious wife Clare is the keenest recycler possible. She even collects and recycles the silver milk bottle tops that I tend to chuck out. But when it comes to organic food she’s furious. Why? Because she finds it is the worst culprit for wrapping almost everything in plastic and polywrap that cannot be recycled. How, she asks, did we reach the situation where the most environment