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Nah it’s more relatable to humans regarding electricity consumption, the consumer would be confused and scared seeing 3.6 megajoules on a bill and not actually understand how power usage of watts of appliances would convert into Joule energy units. That’s why electric cars motor powers are still rated in Watts and the bill shows a relatable term.
To add to that, that’s why so many metric countries (not USA) still use imperial units colloquially because they are more relatable in real life like lbs and inches and feet. But then would use Km and grams in other contexts quite normally. And knots still always make more sense to pilots and sailors.
Oh ok just a British thing so the ENTIRE BRITISH EMPIRE. Cool. Oh knots are used for historic influences like… Places that use imperial units colloquially but are official metric? Ohhh cool as well. Thanks for repeating just what I said and agreeing.