The famous saying Habent sua fata libeli, can (at least 138 Rafał Paweł Wierzchosławski Organon F 30 (2) 2023: 137-147factual charges directed against the Marxist system in the social sciences (apologetic function). A refined conceptual scheme was supposed to give the nimbus of being scientific (logical analysis). However, the sophistication of the late scholasticism of analytical Marxism did not save this construction in its empirical verification (the problem of predicting social phenomena) and led the author to create a non-Marxist Historical Materialism as a separate theory, which was to focus on the structural-functional analysis of the historical process, which involved putting aside the study of idealization "to the side."