I think this is what they were referring to[0] in part: "Mason Gaffney, an American economist and a major Georgist critic of neoclassical economics, argued tha

I think this is what they were referring to[0] in part: "Mason Gaffney, an American economist and a major Georgist critic of neoclassical economics, argued that neoclassical economics was designed and promoted by landowners and their hired economists to divert attention from George's extremely popular philosophy that since land and resources are provided by nature, and their value is given by society, land value – rather than labor or capital – should provide the tax base to fund government and its expenditures.[90]" [0] https://en.wikipedia.org/wiki/Henry_George#Socialization_of_land_and_natural_resource_rents https://en.wikipedia.org/wiki/Henry_George#Socialization_of_...