The comments are interesting. This video was produced and designed to make these young folk appear radical and extreme:
View: https://www.youtube.com/watch?v=xaBgd6PWZJc
Could be. Have you checked out the Exorcist Podcast? Real life accounts:
View: https://www.youtube.com/watch?v=CNSTLiVFYdw&list=PLmjpoUx5twPa3zLezyleXt6K2LyJv5lpo