Dak
mentat
Because polarization is human nature. The collective intelligence of the masses is too dim to comprehend a third option, as that requires a further discernment than between black and white. And as one of the minority who can comprehend and discern, I would rather sit on my ivory tower than do anything about it.
What I mean is that the number of people wishing to change the collective attitude to party politics is too small. The simplest choice always rules out, and that is how power politicians pander.
Actually it's simpler than that. Two words: Media Coverage.