So yes you could potentially buy something for 0.0203 bit coins, but how confusing would that be?
In some dystopian future where a bit coin is worth $1,045,634 are you being ripped off if your burger costs 0.0000405 bitcoins rather than the 0.0000404 you're "used to" paying?
Apparently they are fraction, down to like 100 million parts. But yeah, that’s gonna be even weirder.