80 year olds didn't grow up with computers, and a lot of them never adapted. We know this, easy answer. Gen Z also did not really "grow up with computers" in the way most of us here did: they grew up using content consumption devices like phones. Gen Z by and large don't even know how a filesystem works because of this. It's worse for them than the 80s year olds because at least the old people remember the thing a file system is based on and know how drawers and folders work.
So it's really not a surprise that there is yet another way in which they aren't very good with "computers". They also don't care, likely beause most of these account aren't something to care about.