There's some grim humor in the fact that the poster reflects on his sister's use of chatgpt, and just ends on that point. I have to wonder if he decided to talk to her or his parents about the situation. I didn't see anything in the post to suggest it, just a "this next generation is cooked." Who cooked them is the question? Children won't raise themselves generally.
Society. Parents, schools, whatever technology kids are exposed to (so, all of it).
We've had 4 years of literally every form of media pushing AI as the solution to all life's problems. Is it really so surprising that our youth looks to AI for the solution to their problems?
I think it's extremely optimistic to expect this can be addressed by parents alone. My parents did a great job of teaching me the dangers of alcohol, but once my friends got into it I followed suit.