Final answer:
Judy Blume speaks out against censorship to protect freedom of expression in literature, advocating for young readers' exposure to diverse ideas for their development and critical thinking.
Step-by-step explanation:
One reason why Judy Blume speaks out against censorship is her commitment to protecting the freedom of expression, particularly in literature. Blume has had her own books challenged or banned, which propelled her to become an advocate for intellectual freedom and speak against the silencing of authors. She emphasizes the importance of allowing young readers to explore diverse ideas and opinions in literature, which she believes are essential for personal growth and the development of critical thinking skills.