It is unprofitable in the selling stage because the price has decreased, but it is very profitable to buy because the price is slightly cheaper, is that the person who invests only always sees an opportunity to sell. Of course not, because some of us are also waiting for a downward moment to make purchases and most of the time when FUD starts to develop the price is corrected again and that's where the opportunities we can take advantage of. If people are only good at seeing opportunities to sell, how can their assets increase, because they have never learned to analyze declining conditions caused by a number of things.
This is where traders liquidate their money. Also, This is when traders make big money. It depends on your actions. If you are holding Bitcoin and the current market is lower than your buying price, Of course, you won't feel good. You can indeed buy more, so your average price gets slightly lower. That's how DCA works. But everyone doesn't do that, and everyone doesn't undersdoesn't understand the the market pattern. 10% or 15% changes in a single day which we have seen multiple times. Well, People like it when market moves up trend and their portfolio increase by 10-15%. But, it's hard for them to accept the lose. I won't say it's a lose until they sell it.