For my poor English, I can't explain it in a few words.
But I will keep trying. They are just sending a lot of words, and day by day, you will be brainwashed.
It's not some sort of different ideas.
Red Pill: A life of harsh knowledge, desperate freedom, and the brutal truths of reality.
Blue Pill: A life of luxurious security, tranquil happiness, and the blissful ignorance of the harsh realities of life, basking in an (essentially dishonest) illusion.