the horrifying truth about the Rainbow Factory

The Rainbow Factory where they say not a single soul gets through when a Little Filly has her mother and father turn into rainbows right in front of her good thing the Little Filly doesn't look anything like her parents pictures of brown Pegasus what does brown mean and brown tail her eyes are brown when she gets older she has a blue quill for Cutie Mark her name is quilca the only reason she survived the horrifying sight is that they thought she was just being tortured by the two so they let her live but I told her if she ever said a word about the Rainbow Factory is true purpose should be thrown into the Pegasus Device herself