From $50 into $40 million? - that’s beyond what most of us can imagine. It proves that nothing is impossible in gambling if approached with a steady and consistent strategy. We’re talking about $40 million here, not just $1k or $10k...serious money, earned over time. Sadly, he did lose it all back to gambling, but it still answers the question in the OP.
But I want to ask, how many people are lucky enough to do this? In your opinion, out of 1 million gamblers, how many are lucky enough to make a profit from gambling, let alone win such a large amount of money?
If making money from gambling was that easy, you could make 10 times your profits in just 1 year. Can you explain to me why there are so many stories of people going bankrupt and losing their homes because of gambling? Furthermore, if it is so easy to make money from gambling, should we stop investing in bitcoin and put all our money into gambling? You hold bitcoin for 4 years but there is no guarantee that you can make 10 times profit, why don't you consider switching to gambling to get rich faster?
Please do not use this story to encourage people to gamble more.