Putting the concern of those who may misinterpret the changes above the goal of the truth, is also known as deception.
Encyclopedias stand the test of time with addendums, to facilitate corrections. Removing the transparency merely allows for cyclical references in the news.
If that's true, then doesn't that act as evidence that they are being forced in some way? Yahoo [1], and others, were forced with other programs, with threads of treason for talking about it [2].