When an group of insiders have held a particular authority for a long period of time are suddenly faced by a revolt not just of designated 'bad people' but of everyone in the same field tired of their constant refrains of being 'oppressed' despite their being the actual oppressors and suddenly and brutally lose their previous authority.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.