It sounds like it's being blown WAY out of proportion but It only needs to start with one person. I moved into a "rent a room" house a few months ago. I started vaping and there was nobody else vaping in the house. Now 3-4 months later, 5-7 people in the house have box mods and have quit smoking.
Taking down one video of kids vaping isn't going to do much, especially when there are millions of videos of people vaping, but say that account has several friends subscribed from all over that specific school and you get 2-3 other kids to see it and want one. Now it's more videos and then after a year, you have 20 kids at the school getting vapes and blowing their arms off with their 18650s o.o