Because history has less to do with what actually happened and more to do with the interpretations of modern scholars who often have predetermined ideological stances. (religion.blogs.cnn.com)
The Sadducees were a loose confederation of wealthy and powerful men, who took a secular — pragmatic, rather than a spiritual — ideological stance with regard to the Jewish nation and its spirituality. (nakedpastor.com)
The introductions of these two sub-demographics naturally pushed the overall party's «average» ideological stance closer to the conservative side of things. (politics.stackexchange.com)