I saw this happen recently at Woking. We were waiting for a connection on Platform 1 (on our way home from a singing engagement in Winchester), and hadn't been aware of any steam specials scheduled that day, but I could see a lot of people with cameras expectantly waiting for something on Platform 2. Checking RTT to see where my train was I saw it was stuck behind 1Z-something-or-other, standing at Brookwood. Shortly afterwards I noticed that the route for the Z-train had been re-set and it was now to run through platform 1, followed by my train, to allow a fast train to call at platform 2. Sure enough, a 444 was standing in Platform 2 when 60103 steamed through platform 1, much to the chagrin of the waiting lensmen. I learned afterwards the unscheduled Brookwood call was to take on water.
I'm glad an A3 was preserved, of course, but why is 4472/60103 somehow elevated in the public view above all other steam engines?
"Fuming" is often used by the tabloids to describe steam enthusiasts, whatever the cause of their annoyance. Similarly, they are described as "chuffed" when it's good news.