In order to make a teenager stop doing something, all you need to do is show them videos of someone their parents' age doing it. Juxtapose a bunch of 40-somethings doing cringy little "TikTok dances" alongside people young enough to be their classmates, and they'll stop. Make another TikTok Cringe Compilation, but this time add more clips from middle-aged TikTok users.
My proposal might be insufficiently sophisticated and too actionable for the members of this community who think themselves to be righteous members of an enlightened class and who seek only to complain about current events to self-affirm their superiority. Nonetheless, I insist that anyone who will listen gives the following proposal consideration for the future of our children, whose FICA taxes shall pay for our retirements.