Perhaps one step at a time, over the course of repeated conversations that keep dredging up more and more deep-seated resentments that have probably been festering for years and years, because of a longstanding social convention that we're not supposed to openly talk about these sorts of things at the workplace.

Or perhaps, if it's the kind of company where a list like that could continue to exist for so long, there was enough pressure built up that it was more like a levee breaking.