What does "got wrong" mean in this context, though? People said the media got those things wrong because they said "90% chance Clinton wins" and Trump won. But

What does "got wrong" mean in this context, though? People said the media got those things wrong because they said "90% chance Clinton wins" and Trump won. But that's why they said 90%, not 100%. It feels as though the concept of probabilities is either misunderstood or willfully ignored to score points.