What does "truth is fungible" mean? [closed]

One of the meanings of fungible is 'readily changeable to adapt to new situations : flexible' (Merriam-Webster.)

The phrase truth is fungible means that truth is, at least to an extent, not absolute, and can be made to be whatever one wants it to be.

Examples of usage:

To Wild, truth is fungible, and reality should bend to him.

^{From Approaches to Teaching the Novels of Henry Fielding. United States: Modern Language Association of America, 2015. (link)}

Some invoke the indeterminacy of quantum mechanics to suggest that truth is fungible.

^{From Shirk, Jr Willis L. A History of the Atomic Space Age and Its Implications for the Future. United States: Dog Ear Publishing, 2018. (link)}

For such people, “remorse” is a word in a foreign dictionary. Truth is fungible and deceit is the norm.

^{From Dimsdale, Joel E. Anatomy of Malice: The Enigma of the Nazi War Criminals. United Kingdom: Yale University Press, 2016. (link)}

It is a universe where truth is fungible and moral conviction a mere asset, like good looks or personal wealth, a universe where corporeal restraints do not exist and people regularly become things they are not.

^{From Mandery, Evan. Eyes On City Hall: A Young Man's Education In New York City Political Warfare. United States: Taylor & Francis, 2018. (link)}