There is a difference between processing an oat and the derivative ‘ingredients’ that are used to simulate the mouth feel of ‘ice cream’ - which includes a type of mold.

I agree the distinction is murky and can be easy to mock but at the end of the day something associated with these foods is making societies deeply sick and that should encourage us all to care about a solution. Even if you take a libertarian approach to diet, the economic cost of caring for a society with rampant obesity and diabetes impacts us all