Al Qaeda has been trying to replenish the ranks with limited success. Note the photo above == it’s a bit forbidding and only appeals to a certain class of person. The broad base of humanity doesn’t respond in the numbers required to defeat the Great Satan.
Since the appeal of Al Qaeda seems to be fading in some quarters. They need a fresh face, new recruiting material and why reinvent the wheel? The video offers some interesting options to would-be terrorist groups.