BAH

Snake oil. The torch tip the guy held was cool for a reason. Look at it closely. The gas isn't igniting until it is at least 1/4" away from th e tip due to gas velocity out of the tip. You can do the same thing with a big tip, but the larger flame will burn you quicker.

Just another perpetual motion machine. Nothing is said about the power his device consumes to split the water into gas. It don't happen by magic.