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.