>Major grocers are more inclined to form cartels on price than to engage in organic competitive action.
Even if we take at face value that this is happening, their margins are famously low (ie. low single digits[1][2]) that any improvements are likely negligible. In the best case scenario where they're run as competently/efficiently as a normal grocery store, but don't take any profits, you'd be saving like 50 cents on a $10 pack of ground beef. Of course, all of this would go out the window if it's less efficient, either due to government incompetence[3], or lack of scale.
Even if we take at face value that this is happening, their margins are famously low (ie. low single digits[1][2]) that any improvements are likely negligible. In the best case scenario where they're run as competently/efficiently as a normal grocery store, but don't take any profits, you'd be saving like 50 cents on a $10 pack of ground beef. Of course, all of this would go out the window if it's less efficient, either due to government incompetence[3], or lack of scale.
[1] https://www.macrotrends.net/stocks/charts/ACI/albertsons/pro...
[2] https://www.macrotrends.net/stocks/charts/KR/kroger/profit-m...
[3] https://en.wikipedia.org/wiki/Noe_Valley_public_toilet