Why is this fortunate? Miyioko makes nut paste and calls it "cheese". It's fortunate that she can keep selling her product under false assumptions? To be clear

Why is this fortunate? Miyioko makes nut paste and calls it "cheese". It's fortunate that she can keep selling her product under false assumptions? To be clear, the false assumptions are that her product is cheese, when it's not, and that it tastes, smells or feels like cheese, when it doesn't.