Isn't that a bit paradoxical? If the long term success of BitCoin rides on people using it to make transactions (e.g. paying for games by zynga), then what good

Isn't that a bit paradoxical? If the long term success of BitCoin rides on people using it to make transactions (e.g. paying for games by zynga), then what good is it for businesses to hoard large amounts of it for speculation?