Sure, one wealthy consumer is more lucrative than one less-wealthy consumer. But what companies really care about is market size, which is number-of-consumers *

Sure, one wealthy consumer is more lucrative than one less-wealthy consumer. But what companies really care about is market size, which is number-of-consumers * per-customer-value. Ie, aggregate GDP. This is why Walmart is worth so much more than Macy's, despite their customers having a much lower income.