Two things to clarify my previous post.
First of all, what I said should not be taken as the gospel as I don't work for Telltale and do not have any inside information.
Secondly, I suggested that Telltale might have made the Deluxe Edition unavailable while they are waiting for some of the parts that make up the Deluxe Edition. I added that they might have done so to avoid more complaining from customers.
I did not mean that the Deluxe Edition was unavailable because of past complaints (most of which were from people who only have a vague notion of what a pre-order is), but to avoid a fresh batch of complaints (from people who might not have a notion of what "backordered" means).
While I'm probably wrong (after all, nowhere in the store does the word "backordered" appear at this time in relation to the Deluxe Edition), I still think that the situation is temporary (mostly due to the fact that the words "permanently out of stock" - or something like it - do not appear anywhere in the store either, at least in regards to the Deluxe Edition).
Sorry if my previous post might have led people to think that I know more than I actually do!
In reality, I know very little...