Expectation of corruption can itself generate more corruption. [causal]
This argument is analogous to the one which holds that widespread corruption is self-generating: the expectation suffices to produce more of the thing itself (Andvig and Moene 1990).
XREF: Self-fulfilling prophecy dynamics echo Merton's concept and relate to how expectations shape social realities.
Diego Gambetta, The Sicilian Mafia The Busi…, loc. 1010