Earlier quoted context omitted.
I can't word this in a non-snarky way, but it's a genuine question: Why do you believe that college can teach making subjective decisions?
Because moral philosophy and epistemology have been a thing for well over 4,000 years, and college could easily teach the basics.
The humanities are glossed over at best in public high schools across the United States. I don't know of one that requires a PHIL intro course of students.
College is not vocational training (unless you're a law or medicine student), it's for learning how to think.