Rich Hickey, author of Clojure.
He's right. Except that state that can be updated from multiple places in an unfathomable way is far more painful to debug than spaghetti code that's all on page.
Quotes
“If someone asks for a Grande semi two shot steam hold the froth to walk, ask them if they would like a cup of coffee whilst they are waiting.”
David Temple Penn.
It takes about 120 seconds to make the perfect black coffee. Side orders take a little longer.