▁be ings , ▁since ▁even ▁at ▁the ▁most ▁basic ▁level ▁the ▁categories ▁or ▁units ▁used ▁to ▁make ▁compar isons ▁remain ▁vague . ▁At ▁most , ▁one ▁can ▁object ively ▁measure ▁the ▁inc idence ▁and ▁frequency ▁of ▁different ▁types ▁of ▁observable ▁behaviour . ▁ ▁A ggreg ate ▁human ▁behaviour ▁is ▁then ▁often ▁explained ▁either ▁as ▁a ▁bi ological ▁effect ▁or ▁as ▁a ▁statistical ▁effect , ▁estimated ▁by ▁probability ▁theory . ▁Some ▁Marx ists ▁regard ▁this ▁perspective ▁as ▁a ▁form ▁of ▁de human ization , ▁which ▁sign ifies ▁a ▁deep ening ▁of ▁human ▁al ien ation , ▁and ▁leads ▁to ▁a ▁return ▁to ▁religion ▁to ▁define ▁human ity . ▁Modern ▁information ▁technology ▁and ▁the ▁sexual ▁revolution , ▁it ▁is ▁now ad ays ▁argued , ▁have ▁rad ically ▁alter ed ▁the ▁whole ▁idea ▁of ▁what ▁is ▁" public " ▁and ▁what ▁is ▁" private ". ▁In cre asing ly , ▁information ▁technology ▁becomes ▁a ▁tool ▁for ▁social ▁control . ▁Some ▁Marx ists ▁even ▁refer ▁to ▁the ▁spect re ▁of ▁total itar ian ▁capital ism . ▁Human ▁individuals ▁then ▁appear ▁to ▁be ▁caught ▁up ▁in ▁a ▁stress ful ▁battle ▁to ▁defend ▁their ▁own ▁definition ▁of ▁themselves ▁against ▁the ▁definitions ▁im posed ▁or ▁attributed ▁by ▁others , ▁in ▁which ▁they ▁can ▁become ▁tra pped . ▁ ▁Kurz ▁and ▁L oh off ▁In ▁their ▁famous ▁ 1 9 8 9 ▁article ▁" The ▁class ▁struggle ▁fet ish ", ▁the ▁German ▁ne o - Mar x ists ▁Robert ▁Kurz ▁and ▁Ernst ▁L oh off ▁reached ▁the ▁conclusion ▁that ▁the ▁working