It doesn't really matter which is superior or if there even is a superior option - the inertia of the existing system is large enough to prevent a change (The S

It doesn't really matter which is superior or if there even is a superior option - the inertia of the existing system is large enough to prevent a change (The Swedish had a driving side switch at the very last moment it was feasible: https://en.wikipedia.org/wiki/Dagen_H https://en.wikipedia.org/wiki/Dagen_H ). If the imperial-to-metric switch is hard, how harder would it be to change a whole counting system that's embedded in much of the culture?