Survivorship bias applies when the survivors are visible and the losers are not, but this thread is full of losers, projecting their loss on everyone that survived and deeming these dumb luck anomalies.
Since it was very hard to lose money with cryptocurrency even if you tried, you had years where it was a good idea to invest. Who should you listen to? The one that got rich with a better scheme than buy and hold? or the one who sat on the side lines for years, made zero profit, and now holds a grudge at missing such a good investment?
Poor people should not go into real estate. There is enough for everyone. If you'd put some of your wealth into Euro, in the past months alone, you'd have made enough to buy a small apartment when the bubble bursts.