More cynicism is warranted here. "Platform companies" like Google and Apple love it when users fail to understand how their devices work, because they get locked-in to the plaftorms. This is the successful end result of a long campaign of deliberate miseducation of users.
The most familiar computer to young people, their smartphone, does everything to hide and abstract away the file system and even the fact that it's a computer.
When someone doesn't even realize a concept exists, it shouldn't come as a surprise they will struggle.