Aside from what other people already mentioned that some teens actually do care, I think you're making a mistake conflating "worrying about the future" (which t

Aside from what other people already mentioned that some teens actually do care, I think you're making a mistake conflating "worrying about the future" (which teens absolutely _should_ do to a reasonable extent), and having mental issues. It's a rather big jump from being concerned about one's future (and the society's future) to having mental issues just from that. It's also not very constructive to perpetuate the idea that being careless about the future right way to live one's teenage years.