At no point did 538 make such a high forecast: their highest forecast was 88%. There's a joke that you should always express 60% confidence in your predictions

At no point did 538 make such a high forecast: their highest forecast was 88%. There's a joke that you should always express 60% confidence in your predictions, since if the prediction pans out, you can claim to be right, but if it fails, you can bring attention to the "two times out of five wrong" part.