Molly Ringwald wrote this editorial in the New York Times about John Hughes. The most poignant paragraph about his later films.
None of the films that he made subsequently had the same kind of personal feeling to me. They were funny, yes, wildly successful, to be sure, but I recognized very little of the John I knew in them, of his youthful, urgent, unmistakable vulnerability. It was like his heart had closed, or at least was no longer open for public view. A darker spin can be gleaned from the words John put into the mouth of Allison in “The Breakfast Club”: “When you grow up … your heart dies.”