Yes, why in the world would LE be interested in a page from a diary that Casey would have written when she was 16 years old? A junior in high school? Long before any of these events were even a thought in anyones mind? Either this is an explosive piece of evidence or completely nothing. If it was completely nothing, why did it turn up in the doc dumps?
Because the media wanted to highlight it and the prosecution does not mind if they do. This kind of thing harms casey whether it is accurate or not and whether or not it is used at trial.
It would be in the doc dumps because anything subpoenaed would be handed over to the defense.
It may have been photographed initially because it looked interesting to the investigators and they would be really blowing it if they did not at least examine such potential evidence.
Finally, have you all see all the things that were photographed? Bags of trash, debris by the site where Caylee's body was found, empty booze bottles, 9 pairs of shoes, several pairs of shorts? Not all of that will be usable evidence. In this kind of subpoena situation, you sweep through and grab anything that may be relevant and sort through it later. It's a fishing expedition.
Look, it would be the icing on the cake if this diary was from June 21, 2008 and written by casey. But, we don't need it. I think we have more than enough to win a conviction. casey's actions speak for themselves, as well as decomp smell, internet searches for cholorform, missing kids and neck breaking, significant traces of cholorofrom found in the trunk with evidence of decomp, a fictional nanny-abductor who no one has ever met created by a "mother" who does not seem in the least perturbed by the disappearance of her daughter, a tiny, dead body found yards from the suspect's home, with duct tape around her mouth and a heart sticker on that, which seems to have been placed there about a month before Caylee was reported missing and about a month before casey reports a call from her daughter, said call found to never have taken place, a suspect who coincidentally seems to love heart stickers and heart icons, a family in turmoil, a jealousy issue between suspect and grandmother, a young defendant who feels her life has been limited by the existence of her child, and a mother who not only fails to ever report her child missing, but who actively lies to family and friends about her whereabouts and who then lies to investigators who are trying to find her baby. Really, what more do we need?