What I've seen is that the decision to not completely demo was made fairly early. Also, it looks like they're going to take out pretty much everything and just leave the shell. Seems like incrementally it wouldn't be that much more to take it all down.I've heard from contractors relatively recently that asbestos abatement isn't nearly as expensive as it used to be. Of all the reasons to possibly not tear it down, I can't imagine asbestos being one of them.
ETA - it originally cost 4.2 million to build Coleman lol