It's not about the extent to which something happened or did not happen; it's whether we choose to confront evil and call it what it is, or simply let it pass because it 'wasn't enough of a big deal'.
The process of leniency involves accepting the reality of the current situation and finding a satisfying meaning therein, as opposed to misconstruing or denying the facts of the situation.
(n.) The quality or state of being lenient; lenity; clemency.