People have incredibly short attention spans. I have fallen victim to it myself, but we have to see the reality of things. We are still very early in the stages of cryptocurrency adoption. To be fair, it really hasn't even gained adoption yet on any meaningful level.
Knowing this and looking at progress thus far, we can see that there is a tremendous amount of growth ahead. We haven't even begun to see where this is going to lead once even a small percentage of the world population begin to trade digital currencies as a primary source of value.
People who are liquidating their digital assets now are going to be very sorry in the future - and that future isn't as far forward as some may think!
Yes, if the bubble has popped then this is the new normal, so why sell? You might as well keep digital money if you don't need to spend it to live. It never hurts to have money to instant transfer to people, soon it will be easy to convert it to video game currency, there are a lot of reasons to keep some digital currency besides getting rich.