The expected probability would have been for them to win 1.65 WS (13 * 1/8, the # of teams competing each year), so winning "only" 1 isn't quite as much of an underperform as is normally viewed. 2 would have been slightly exceeding expectations.
Don't your stats assume all teams are of equal ability? Ergo, they were jinxed.
I'm guessin' it was because of the owner's wife. (mindfact)