Ok fair enough. Do you grant that some interventions are more practical and cleanly implementable than others? Perhaps the assumption in the original comment i

Ok fair enough. Do you grant that some interventions are more practical and cleanly implementable than others? Perhaps the assumption in the original comment is that legally restricting market discrimination for wages by region may not be practical and / or would have significant harmful side effects. I would need to give the idea more thought. It certainly seems a far more complex and less clear-cut matter than the existing protected classes.