You buy what you are provided with
People buy anything. As long as it is ‘cool’.
There is the sense in this line that you buy what is put on the market not what you necessarily want or need.
Consumerism has long had intentional underpinnings, rather than just happening. At the end of World War II, there was a conscious effort to get people to consume more to absorb excess production from factories.
see: Century of the Self
About how corporations could make people want things they didn’t need by systematically linking mass-produced goods to their unconscious desires.
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