1. A reminder: Walmart's $1 trillion valuation is the product of decades of unchecked anticompetitive behavior. It's no coincidence that Walmart began its insane growth spurt after the 1980s decision to stop enforcing key antitrust laws. More than others, Walmart recognized what this meant.

Walmart’s Monopolization of Local Grocery Markets | Independent Business
In 203 markets, Walmart controls 50% or more of the grocery market. No other corporation has ever amassed this much control over the food system.