He was confused at first because he heard that it was unstable and risky.

Crypto is volatile and even though Bitcoin has proved itself to continue to rise even after each dip, its price is still unstable.

Correction drawdowns in Bull markets become smaller with time.

https://checkonchain.com/btconchain/technical/technical_drawdowns_bull/technical_drawdowns_bull_light.html
https://studio.glassnode.com/workbench/bf532ce2-a66b-4798-6deb-bf3ba7decc59
https://cryptoquant.com/community/dashboard/650de954ca432c72d6ef82b1.