In which case it's likely such an establishment, lacking any meaningful competition, would be considered a "utility". Whether the law defines it as such or not, it's really bad optics to prevent people from eating.
In this case there is likely a limit to what a private business can grow into before it wades into the territory of public utility. A tenuous but related situation can be seen in trademarks where Kleenex has actually run entire ad campaigns to make people call generic tissue "tissues".
There's a larger philosophical argument here. Theoretically speaking there should be no limits to private corporations. However, when your corporation becomes a stable of modern life and the conduit of major utilities of society all of the sudden things start to turn into shades of grey.
In this case there is likely a limit to what a private business can grow into before it wades into the territory of public utility. A tenuous but related situation can be seen in trademarks where Kleenex has actually run entire ad campaigns to make people call generic tissue "tissues".
There's a larger philosophical argument here. Theoretically speaking there should be no limits to private corporations. However, when your corporation becomes a stable of modern life and the conduit of major utilities of society all of the sudden things start to turn into shades of grey.