The conceptions of social structure were never neutral from the point of view of real groups of interest existing in particular areas of social practice. It is absolutely not a chance that all developed ideological, connected with peoples' outlook of life systems of values and rules contain also, more or less precise, opinions regarding the form of the social structure. They question it in this meaning that they question the indispensability of the knowledge about the social structure as the essential component of explanandum. Hence they deny that the claims about the real privileges and handicaps, which occur in social practice, have any explanative power. It seems that the conceptions of the social structure will never free from those connections with the interests of the real social groups, which exist in the markets of exchange of various forms of social practice.
Preferred identity differentiates the real people.
Also the racial, class or religious identity always played the essential role. The social identity is experiencing oneself and the others in mutual relations. Because I can choose. Europe lives in the times of freed choices. That is true.