Amazon’s days of online retail dominance may be numbered. That is the utopian vision of Walmart executives, while the rest of the world roars with laughter. Nonetheless, Walmart is taking strategic steps—nothing more for now—in the direction of the video sector, as reports abound about a purchase of US smart TV manufacturer Vizio, priced at over $2 billion. First reported in the Wall Street Journal, these ongoing talks may very well collapse without any such shift occurring. Regardless, let us humor the possibilities should this deal come to fruition. Walmart is not new to the TV world, and has launched its own budget electronics hardware brand called Onn, which has had questionable success. The purchase of Vizio could radically change…