Sure, but this narrative about it being for older people and hemmorhaging younger people has been going on for so long that if it were true, there is no way the

Sure, but this narrative about it being for older people and hemmorhaging younger people has been going on for so long that if it were true, there is no way the growth could have been what it's been, because they would have run out of people in that demographic. The more plausible explanation is that young people are still joining, even if perhaps begrudgingly.