A Real Poltergeist Caught On Video?
This may be true if ones philosophy is science. Science exists to explain, and what it can't explain, there are some -- well, many, bad students of science who will swear to High Heaven that what they can't explain can not exist.
In Shakespeare's day, people thought ghosts were real, as real as a favorite uncle, who instead of going off to China somewhere and never returning or writing, passed over on the other side, and was a better relative than one who went off to China, because he returned and kept returning. Well, really he never left. There are a few -- well some, people who think that ghosts are with us, or with them, today.