Holiday consumerism: Who decides what "nobody really needs?"

"Wasting resources, capital and income on stuff nobody really needs," Charles Hugh Smith wrote in 2017, "is a monumental disaster on multiple fronts. Rather than establish incentives to conserve and invest wisely, our system glorifies waste and the destruction of income and capital, as if burning time, capital, resources and wealth on stuff nobody needs is strengthening the economy."

I come across...