I think it is about how smart someone is, a smart crypto trader must have sold off at high and presently would have been looking for a good way to buy back now that market is down. HODLing can a times be bad but for as long as those that sold off are crypto enthusiasts they still remain in the crypto world
The challenge from bitcoin this year is the status of a coin that keeps on the drop. It will test our decision on how we handle our investment, either to hold until the price rise again or to trade /sell it and buy the different coin. This year will also identify the tough investors that willing to risk and hold the coin until it stabilizes the bitcoin price.