I'm not understanding the heat here. I personally don't think there is anything to worry about. It's in good hands there is peer review to keep it in check, and excellent tutalidge.
Everyone knows how change and innovation works in these disciplines and i've not noticed decline in fact quite the opposite.
       I would imagine the demographic here is not really the target audience for the short vid posted above. That sort of thing aimed at a younger audience I would imagine.Hopefully at our age those type of lessons are learned already.