We only started defining them that way in the 1980’s. Many peoples reference (at least in America) is literally just standard imperial measures. Before metric references the imperial system was defined by rods and barleycorns, but that doesn’t make anyone barleycorn or rod inclined.
The 2nd death star shoots a cruiser out of the sky in ROTJ so they get at least 1 of the 20,000 borg cubes