A while ago (2017) there was this Dutch family that sold all their assets for BTC and is now traveling around the world. He had around 500k USD worth of BTC and expects it will at least make 5x in the next 3 years. In the meanwhile, they are living modestly and using 20% of their cryptos to trade.
Would you dare to do the same? Sell all your FIAT for CRYPTO?
You know what you would call someone who would do that right now? Stupid idiot. Would you sell your house for Bitcoin that can depreciate by 30% tomorrow? You cannot compare that situation into today's situation. It's too risky right now and market is way too unstable and bearish.