Complex sentence: Morea castigated Vaneigem in correspondence, for his out-of-touch'person of letters' persona; and the English section of the Situationist International was expelled in 1967 for its ties to the Motherfuckers.
Split into simpler sentences: Morea castigated Vaneigem in correspondence for his out-of-touch "person of letters" persona. The English section of the SI was expelled in 1967 for its ties to the Motherfuckers.