These original pill memes made their way into popular use from the pickup artist scene, which ironically cribbed the imagery from a movie made by a fraternal pair of degenerates. Their dubious origins aside, the red pill and the blue pill are handy methods of quickly conveying more complex ideas, so they naturally caught on.
Ask a Conservative why he wants to win, and the most common answer will be, "So they'll leave me alone." The next most popular responses range from appeals to creature comforts to a shrug.
Ask a Death Cultist why he wants to win--not that you have to; they shout it from the rooftops--and you'll get a fiery sermon about the post-national, post-racial, post-Christian utopia in store for the world if we can just pile up enough corpses.
Yes, the latter is a horrifying vision, but it has the advantage of being a vision. The zealot can effortlessly dismiss your desires to be left alone, not pay taxes, and live with people like you as selfish impediments to progress.
Here's the ultimate truth at the heart of our current crisis: The triumphant Death Cult is a fanatical heresy fueled by stolen Christian zeal. It can be defeated if and only if enough people submit to the one true faith with equal zeal. Without Christ, you cannot hope to stand firm against the diabolically inspired Cult.