Some altcoins will allow earning much profit. But not all altcoins will be able to survive during the fall of the market.
Only the best altcoins that are really useful for people will be able to survive.
Also, a lot depends on how long will be a fall in the market.
The reason to buy altcoins is to earn money on investment because the price of altcoins rises.
Now cryptocurrency market restored and many people trust cryptocurrency.
The economical and political situation in the world is difficult and many people prefer to use cryptocurrency.