In doing so, in he travelled to Tehran in Irandays after the Black Friday massacre. Foucault was also active in anti-racist campaigns; in Novemberhe was a leading figure in protests following the perceived racist killing of Arab migrant Dejellali Ben Ali. As a result, in the early s he was considered to be "violently anticommunist" by some of his detractors,  even though he was involved in leftist campaigns along with most of his students and colleagues. For example, Foucault's concept of power is "desperatingly undifferentiated", and Foucault's thesis of a "disciplinary society" is, according to Wehler, only possible because Foucault does not properly differentiate between authority, force, power, violence and legitimacy. Namespaces Article Talk.
In all, Wehler concludes that Foucault is "because of the endless series of flaws in his so-called empirical studies
Foucault subsequently published The Archaeology of Knowledge DA GND: A Philosophical Investigation. Harvard University Press.
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