Miburo said:
"Bad news. I wont be able to ride the vuelta"
Then he proceeds to win the race.
Well you do know that after he said that he had his knee reopened, cleaned out of stones, the infection subsided and he was able to train again right? Life changes, wounds heal allowing people to do things they didn't think they could at the time of the quote.
Not everything in life is black and white, true or false. Time and actions change the possibilities. At the time he said it it was True, post surgery it was no longer true but he didn't know that until the race was much closer.
Some people just like to think and say the worst of anyone and anything. Maybe someday they will mature and see life isn't always Binary!