Here's why:
* The original diary was incomplete: Anne Frank only finished writing in her diary on August 1, 1944, just days before she and her family were discovered by the Nazis. The diary itself ends abruptly.
* The original diary was edited: When Anne's father, Otto Frank, retrieved the diary after the war, he made several edits before publishing it in 1947. He removed passages he deemed too personal or irrelevant, and he rewrote some sections for clarity.
* Focus on the Holocaust: The initial publication aimed to focus on Anne's experiences as a young girl hiding from the Nazis, providing a powerful firsthand account of the Holocaust.
* Sensitivity and family's wishes: Otto Frank, being the sole survivor of his family, wanted to ensure that the publication respected Anne's memory and the privacy of his family.
It wasn't until 1995 that the complete diary was published in the Netherlands, including the "Secret Annex" portion, which contained Anne's later writings. This edition provided a more complete picture of Anne's thoughts and experiences during her time in hiding.
So, while the original publication of Anne Frank's diary did not include everything, it was a deliberate decision to present a specific narrative that served a critical purpose in informing the world about the horrors of the Holocaust.