The linked article discusses this in the first point: * Changing the visibility of a variable requires changing its name, everywhere it's used. * It also cuts

The linked article discusses this in the first point: * Changing the visibility of a variable requires changing its name, everywhere it's used. * It also cuts contrary to some very long-standing traditions, like using all caps for global constant names, using title case for class names, and starting with lower case for most everything else.