No dont, amazon doesn't know anything
They had a placeholder for the 3rd book of a book series since like 2014. I have been waiting on that book since 2011.
I think that they are trying to build interest or preorders.
My thoughts are that they simply like money and the sooner people preorder with them, the more people will have been hooked and even if they have wait until the item is out, the shop is already set, even if some cancel most of them will carry through. X/