If the story is true, what he does is not entirely wrong, maybe then he gets inner satisfaction, where each person must have different desires and dreams
Typically, it works the other way around
After the easy money is gone, people come to understanding that they have been not just wasting that money ("easy come, easy go"), which is not actually the worst thing when you think over it, but rather wasting their entire lives (well, some part thereof). If it didn't last for long (say, only a couple of years), it may be not a big deal after all, but if it lasted the best years of your life, this is pretty much it. But then it's too late to cry
It isn't the mistake of the crypto, the attitude of the person has made himself ruin his entire living though he got the opportunity to have a better living.
User needs to learn and about the gambling and the changes it can make in one's life. He is too crazy to loose all his earnings out of the market in the top. Even now he hasn't realized all about the mistake.