Milton Friedman argues that businessmen who claim that business is not merely about profit are engaging in what?

Answer: socialism

Explanation: Socialism which is an economic system which advocates that production, distribution and marketing of a nation's resources should be controlled by the government. This ensures even distribution of wealth among the populace and better their living condition. However, profit generation in socialist economy is far less than in capitalism whose sole aim is profit generation. Hence, Milton Friedman argued that businesses who feel business is not merely about profit-making is engaging in socialism.