Confirming allegiance to those who elevate and allow people into these positions. Celebrities are tools used to spread propaganda because people 'worship' them and value their input. That's why they are trotted out into the media every time people need to adopt a new agenda.

So in essence I promise you fortune and fame, and you will do as I say or we take it away from you. The celebrities who go out and speak about this are always dismissed as crazy, but they are usually the ones who didn't 'sell their souls' which is why they have to make them out to be crazy, or just murder them under suspicious circumstances.

The greatest trick played on us is convincing people that this doesn't exist, when it is right there for us to see.