"Rich Men North of Richmond" by Oliver Anthony Music is a critique of socio-economic disparities and the struggles of the working class. The song expresses frustration with the perceived control that wealthy individuals have over society, particularly in terms of taxation and labor exploitation. It also criticizes politicians for neglecting their responsibilities towards ordinary citizens, instead favoring the interests of the rich. The lyrics further touch on issues like obesity and welfare abuse, suggesting that these problems are symptomatic of larger societal failures. Overall, it's a call for change and fairness in society.