If you realize something horrific, your options are to decide it's not your problem (and feel guilty when it blows up), carefully forget you learned it, or try to do something to get it changed.
Since the last of these involves overcoming everyone else's shared distress in admitting the emperor has no clothes, and the first of these involves a lot of distress for you personally, a lot of people opt for option B.
Since the last of these involves overcoming everyone else's shared distress in admitting the emperor has no clothes, and the first of these involves a lot of distress for you personally, a lot of people opt for option B.