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I think opinions on DST vary a lot among fans of SI given that includes almost everyone on earth except citizens of the united states, the united kingdom and aviators.
There's nothing less human-centric about the SI the meter is just a standardization of the toise (also known as fathom, klafter and many other names), a measurement approximating the distance covered by a human's outstretched arms. If you wanted a unit of measure that wasn't human based you would invent something like the nautical mile, not the meter.
The other argument people make along these lines is about units of temperature but firstly nobody actually uses the Kelvin outside of scientific papers and is brine really a more human substance than distilled water?
Besides length and temperature nobody ever talks about anything else. Nobody ever argues that the pound is more human because the roman libra just exists in nature but the french bushel, precursor of the liter is an inhuman monstrosity. Or that the inch of mecruy just gives them a better intuitive understanding of pressure than the hectopascal.
What makes US customary units human-centric is mostly the fact that they are base-2 instead of base-10. Base-2 gives you an assortment of related units that are close to human scale.
For example, there are two tablespoons in a fluid ounce. Eight fluid ounces in a cup. Two cups in a pint. two pints in a quart. Two quarts in a half-gallon. Two half-gallons in a gallon.
Inches are also used in what amounts to a base-2 system, since they are broken down into halves, quarters, eighths, sixteenths, thirty-seconds and sixty-fourths. Foreigners may find it a bit ridiculous that Americans have sockets and wrenches with sizes like 5/8" and 1-7/16". I would say it is worse than metric overall, but the use of fractions does have certain advantages.
And yet, 3 teaspoons in a tablespoon, 6 picas into an inch, 12 inches into a foot, 3 feet into a yard, 1760 yards into a mile and 3 miles into a league. But you will be pleased to know that you can, in fact, ask for half of a liter or a quarter of a liter if you like fractions (and many fraction lovers do just that).
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Fahrenheit has more reasonable degrees within human comfort zones to accurately describe the temperature so I think it is superior to Celsius.
Celsius is rather useful in a country that spends a considerable fraction of the year in temps that are on the Celsius minus scale. Important clothing decisions might depend simply on whether the temp on the weather app shows up in red or blue.
How is that different Fahrenheit? We too show blue for freezing temperatures.
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The human mind can in fact adapt to 40 as "very hot" and "0" as cold instead of 100 = very hot and 32 = cold.
The point where numbers become blue is in fact completely arbitrary.
The point is that there are about 1.8 times degrees in Fahrenheit between freezing and boiling as there are in Celsius meaning there can be a bit more specificity.
When you need this level of specificity? Celsius has already too much of it. (except rare cases like measuring fever or scientific research)
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That's almost always false precision.
Weather reports (never mind weather forecasts) simply aren't good enough to report single degrees, regardless of whether it's Celsius or Fahrenheit.
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In the United States, 100 is hot and 0 is cold, and anything below 0 or above 100 is very hot or cold. Which I find very intuitive!
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