They decided not to pay those that did not lose any coins.
Winnings that people should have received are still winnings. Imagine a casino kicking you out after you won a jackpot of a slots machine, and refusing to honor your rightful winnings. But hey, they refunded everyone else that spun and lost their money
There is no way of telling whether they should have won or not. Ofc in hindsight every gambler can predict what move they "would have" made. But actually you cant. If the nounces where not skipped everything would have been different. Thus the only fair thing to do would be a complete rollback and all decisions would have to be made again without knowing the outcome.