I know some people who are making money from cryptocurrency trading. They have mastered some skills or trade secrets about trading and it's been beneficial. It is also important to know that they didn’t get to that level overnight it took years of studying, practising, making mistakes, and so on. Everyone wouldn't be a long-term accumulator of Bitcoin. So those who have developed training skills could maximise them to make a profit. However, newbies shouldn't engage in trading until they have learned how that sector works.
You are right, there are people that rely on crypto trading for their daily needs, and they are making money from it; although not daily profit or income, but they have grown their knowledge and experience to the extent that they believe in themselves and decided to rely on trading, they also lose money and they make money, it is a risk game which only people that understand it will benefit from.
However, the problem we are having now is that most of us are just willing to jump into it, and if they lose money as a result of that, the blame became general that crypto trading isn’t good to be relied on, meanwhile they haven’t gotten the experience and the knowledge to rely on it that’s why they are losing always.
Furthermore, greed is affecting us in our crypto investment especially on altcoin investment, some of us are greedy, they will want high profit in one investment that will change their lives which is a luck, that’s why some fall for scams.