OK. I give up. Time to move on to other things, I guess. After receiving a pleasant email from Disney indicating that they did not know the current whereabouts of the Carnation truck, I followed with a message asking if they would be kind enough to just send someone out to the building where it was apparently stored several years ago. Just to have a look.
I just got another very nice email thanking me for my continued interest but reaffirming that they've been unsuccessful in obtaining any information regarding the truck. Interestingly, in addition it stated that such information was confidential and could not be released.
If I didn't know better, this would almost seem like I was being told, "We don't know and even if we did we wouldn't tell you."
I think I'll stop doing this now: