The label YA actually means nothing except that the protagonists, or some of them, are young. Publishers like it because it is a secure marketing niche. But the cost of security is exclusion from literary consideration.
Ursula K. Le GuinWe read books to find out who we are. What other people, real or imaginary, do and think and feel... is an essential guide to our understanding of what we ourselves are and may become.
Ursula K. Le GuinWhat the brain does by itself is infinitely more fascinating and complex than any response it can make to chemical stimulation.
Ursula K. Le Guin