Yes, according to Zack Kanter, for the following reasons:

Walmart is one of the wonders of the modern world, built from scratch in a hyper-competitive environment, scaled from nothing to the largest company in the US by revenue and by headcount, all resulting from a singular vision of saving everyday people money with everyday low prices. It is the most successful social welfare system ever implemented, saving billions and billions of dollars for everyday Americans without costing taxpayers a dime.