Because it’s a massive waste of money for little to no benefit, and barely actually comes up because unit conversion is trivial and is done constantly regardless of overall unit system.
Armchair unit system fanatics make it out to be such a bigger deal than it is. Whether im working in metric or standard I’m doing several to several dozen dimensional analyses anyway, normally with industry specific units. Which again, exist in both standard and si.
Because it’s a massive waste of money for little to no benefit, and barely actually comes up because unit conversion is trivial and is done constantly regardless of overall unit system.
Armchair unit system fanatics make it out to be such a bigger deal than it is. Whether im working in metric or standard I’m doing several to several dozen dimensional analyses anyway, normally with industry specific units. Which again, exist in both standard and si.