His economic arguments are only good to the extent that you agree with the economic goals which any economic policy is trying to achieve. For example the Diamon

His economic arguments are only good to the extent that you agree with the economic goals which any economic policy is trying to achieve. For example the Diamond Saez paper he references is optimizing for "Social Welfare" which is in turn defined as more equal distribution of resources. So yes if your goal is redistribution of wealth perhaps the 73% number is the right number. What that does not mean is that 73% marginal tax rate is the objectively optimal tax rate under all scenarios or policy objectives! Not sure how you arrive at reflexive or lies