Because she was so physically lost for so long, this is the only place people can go right now, who are moved to express their feelings, about Caylee's life and death. Or where they can express their grief. There isn't really any physical location, other than here, that offers a tangible way to say their goodbyes. If they had a different location, they could perhaps be encouraged to relocate their focus. The owner of the land was an innocent bystander, who probably cant sell the property now without a loss (and should sue Casey for damages and recovery.) But unless someone charitably acquires this spot and turn it into a decently maintained memorial, it will continue to be an oft-visited public eyesore. Every time Caylee is mentioned in the news or Casey is, it will trigger visitation. Even if it was maintained, it's in a residential area and would still be problematic. It should be returned to as much anonymity as possible.
As was already mentioned, as we are coming up on the first anniversary of Caylee's death, it will probably see renewed activity there. But, as the years move on, interest will eventually fade there, and it will be just another location where another murdered child was found. There are a lot of children out there who never got to go home again, or are not found even after death. We can't claim privilege on all of these locations. (I am not sure if Connors recovered remains were memorialized at the shore line or not.) But you see the difficulty in marking so many places. It's not fair to the owners to inundate the areas with toys, signs, balloons, or traffic. I personally think it was generous to allow the Padilla-Grund occasion, but now that's over and it needs to be restored to the owners for whatever purpose is deemed best to them.
In my mind, dedicating a stone or marker in a public place, in her honor, such as a park, where it was okay to mourn publicly or had some sort of regular maintenance would be more fitting. Preferable, over piles of rotting stuff, neglected more than not, on the side of a road, where no one needs to go down. That's not really remembering in an honorable way, that's just being ghoulish. It interferes with the nature of the neighborhood, the owner of the land, the school and everyone who was not involved with the evil that created the reason for it all.
So yes, it's time to come down, it's time to find a better way to remember the sweet little girl more than the gruesome remains or the cruel disregard that put her there. Its time to let the owner get distance from the notoriety. (I still think the owner should sue for damages.) It's time for the public to support the privacy of the landowner, and encourage the organizations that promote the safety and wellbeing of children. Let us seek peace for the innocent bystander, pursue justice for the ones taken and demand the punishment of those who hold themselves above the law. And then we can hold Caylee in our memories, not the memory of her skeletal remains held hostage in a swamp.