What is a useful skill? How do you decide if it is useful? Why can't those people spend the time learning what they want to learn? Why does everything have be a

What is a useful skill? How do you decide if it is useful? Why can't those people spend the time learning what they want to learn? Why does everything have be applicable to life in the way you imply? Do you know what someone learns from an English degree? How is all that different from a single semester of an English class?