Cultural Evolution makes sure that every method that helps understands people’s wants and needs can and will be used to generate new wants and needs, which is needed to keep an economic system from collapsing in which Innovation fuels continuous growth. This is the foundation of Consumerism.
This means a lot of design methodology like Design Thinking and concrete methods like Personas, Customer Journey Map and the Kano Model are used as vehicles for Ideology a lot of the time.