Substantiates philosophical and not scientific nature of the concept of K.R. Popper, its ideological and marginalism, reveals the non-scientific system of thought reception and methods used by Popper in his concept for establishing a system of evidence and reasoning, it is shown that these methods became the basis of the ideology and practice of Anglo-Saxon culture and marginalism with their own justification for all activity on the planet and the system of total lies in the modern world

Keywords: K. R. Popper, ideology, marginalism, thought reception, method, social science, historicism, value, interpretation.