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Your assertion is accurate, yet the majority of those who lose money so easily do so because they lack information and only consider the profitable aspect of trading while ignoring the costly aspect, loss. Everything required information in order for us to avoid being on the wrong side of it. You cannot invest in anything if you decide not to trade because you are afraid of losing everything, then you will never be independent.
Not necessarily - some of them are experienced traders or at least know how the market works. Don't assume that the 90% of traders who lose money from trading lack information about what they are trading - but you have to admit that crypto price volatility is very volatile.
Of course I agree that some of them bet on luck - like just buying hype coins and then being abandoned by their investors. We have seen many cases of losses including meme coins and the like - but trading for them still exists.