deviance
action or behavior that violates social norms
malingering
faking illness for financial or similar personal gain
deviancy amplification spiral
media hype phenomenon
feigned madness
assumption of a mental disorder for purpose of evasion, deceit or the diversion of suspicion, also a strategy—often institutionalised—in order to acquires a privilege to violate taboos on speaking unpleasant, socially unacceptable truths