[...] many of the businesspeople who pushed the neoliberal agenda in the 1970s were neither movement conservatives nor self-made entrepreneurs but career managers. They were often socially liberal. But they objected to the host of new claims along what we’d later call identitarian lines (gender, race, etc.) as well as an explosive growth in social regulations (environment, workplace safety, and the like, as opposed to more narrowly drawn economic regulation of prices and product lines), which they felt were annoying restrictions on the free play of capital. [...]
their solution: forming PACs (legalised by the FEC in 1975) that argued, among other things, that corporations had no social responsibility (in the same vein as Milton Friedman)