Synthesized answer
The provided passages do not contain information about the practical implications of the "Quiet Movement." The only passage available is the title of a book [1], which indicates the subject matter but offers no details about its content or implications. Therefore, I cannot answer your question about the practical implications.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The quiet revolution: grass roots of today's wilderness preservation movement by Donald N. Baldwin