There have been at least two If not more detailed articles in "Catchpoint" magazine about the acquisition by Steamrail Victoria involving the purchase of these cars , refurbishment and likely operational scenarios.
I would hardly call what has been publicly printed any form of secrecy.
From the initial. auction of the cars,(from liquidators) to the present, what is happening with them has been totally transparent.
From the date of ownership, in actual fact the cars have been listed in the rollingstock section under carriages on the steamrail website!!!
Seems odd to me that after 2 years , someone decides to knit pick , but I guess everybody has an axe to grind somewhere!!!!
The information about those Cars may have been in 'Catchpoint', but not much was in Steamrail's members newsletter and quite a bit after the aforementioned article.
But What about the Cars in the photo's taken on the 26th April heading for Dimboola, these are not on the Website.