$42B isn’t more bitcoin than is mined over the next 3 years - that’s just your view today at current prices.
Drawdowns will be smaller in % terms in future, the big drop might be 50%-60% instead of 80% this time when it goes parabolic and over time that volatility will decrease. $10k daily candles are big today but that will be a 1% move at $1M per coin.