You're still making assumptions about something you have no way of examining. What if the Pink Unicorn is merely an approximation based on our limited human perception of it? Maybe we only understand it to be a unicorn, whatever that may be, and we imagine it as pink simply as a label. The true Pink Unicornness might be just the tiniest manifestation into our experiential reality. Why can it not be this necessary entity?
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'