If crypto were a real currency, in real use, there would be valid criticisms of its future viability as a currency if it changed more than 1% in a day, or dropp

If crypto were a real currency, in real use, there would be valid criticisms of its future viability as a currency if it changed more than 1% in a day, or dropped in value > 10% a year. Its as if someone traded a tulip bulb for a sack of flour and claimed it was the "new Danish currency".