Predicting that based on pure luck will not allow you to earn from this market, you need to have a concrete knowledge and willingness to handle all the situations that may take place during your stay. There are many reasons why people are panicking, but the common mistake is due to emotion. Without knowing how to play, you are quickly judging the market.
It's better to hold for a while and think of another alternative before you decide to sell your holdings. There are chances that the market will bounce back. You will lose your money if you just sell it without doing any research.
What about those investors of new coins? Some of them earn something before the coins turns into a scam. They are just lucky although they cant be like that forever. There are times that they also lose. What we need here to become more profitable is not just to predict based on pure luck but to predict with some analysis.
Not only by chance but the market always bounce back but only for those coins that are already proven but for the majority of new coins, the chance for them to bounce back is less. If you hodl them, no need to think hard if you will going to continue hodling them or not but the best thing that you can do is to sell them early.