evidence: And this in a time when, according to the National Retail Federation and government data, retail sales increased 4.6 percent over 2017, with solid profits. Think about just a few of the chains that have either closed or greatly reduced their store counts — Sears, Kmart, JCPenney, Toys ‘R Us, Macy’s and Shopko — just to name a few. [...] Charles Darwin, the renowned biologist, naturalist and geologist, stated "… in the struggle for survival, the fittest win out at the expense of their rivals because they succeed in adapting themselves best (and fastest) to their environment." [...] - A great read on this is the book "The Paradox of Choice" by Barry Schwartz.