This is where the experienced traders get rich and the newbies complain about their losses. The bear market is the best time to buy, everything is low and you can pick all the good coins. When the bull market returns, newbies start to buy while traders just cash in their profits.
This is pretty much it. If you have courage to invest when everything looks bad, that's how you make the profits when the bulls return.
There are smart people who definitely invest in coins during downfall like it is supposed to be done but then there are some who choose wrong coin and have high hopes from their small coins. The best is to go with the top cryptos currencies because it wont betray a person. Right choice is significant for making profits. We cannot expect small coins to perform like top coins. Best is to buy whenever there is a chance.