The CEO can choose to hold his bitcoin for a long time, not minding what the prices would turn out to be because he has other sources to rely on for his livelihood. The only advantage the poor and struggling employees can benefit from receiving their salary in bitcoin is if by the time they decide to sell it, the value has increased, higher than it was when they sent it. Aside that, they will lose some money after the network must have taking their transaction fees in the process of selling. Obviously, one in need of money will always wants to sell immediately.