I don't think we should expect them to do anything. But I do think that we'll be more likely to, to put it crassly, consume their content, if it is more relevant to our situation.
I think one of the factors that got Jamie Oliver into trouble here is the fact that in the UK, energy costs are through the roof. As an American, I don't even factor in energy costs when cooking a meal.
But eggs, for instance, have tripled in price over the last couple of years.
So yeah, I really am interested in frugal cooking. Historically, some of the best dishes have come out of the lowest classes. Using the cheapest cuts to the best effect. That is the best form of cooking.