My takeaway was that it would only increase the environmental impact if their actual diet stays the same, in other words they ate the same # of chickens but onl

My takeaway was that it would only increase the environmental impact if their actual diet stays the same, in other words they ate the same # of chickens but only from free-range, local farms. Given the same amount of money, I'm assuming they mean buy less chicken (but from non-factory sources) and spend the remainder on other foods with less environmental impact.