This initially struck me as well. However, it's important to note that this is intentionally a 100% biased sample. By nature it only includes two times he got i

This initially struck me as well. However, it's important to note that this is intentionally a 100% biased sample. By nature it only includes two times he got it wrong. For all we know, the other 998 times he got it right. Drawing any meaningful conclusions is therefore impossible.