Original sentence: He went beyond agnostic and atheistic thinkers of the Enlightenment, who felt that Christianity was simply untrue to claiming it may have been deliberately propagated as an inherently bad and subversive religion (or in late 20th century parlance: a "psychological warfare weapon" or "memetic virus") within the Roman Empire by the Apostle Paul as a form of covert revenge for the Roman destruction of Jerusalem and the Temple during the Jewish War
Edited sentence: He went beyond agnostic and atheistic thinkers of the Enlightenment, who felt that Christianity was simply untrue to claiming it may have been deliberately propagated as an inherently bad and subversive religion (a "psychological warfare weapon," or what some might now call a "memetic virus") within the Roman Empire by the Apostle Paul as a form of covert revenge for the Roman destruction of Jerusalem and the Temple during the Jewish War