Comments by "redfish337" (@redfish337) on "Шкала Фаренгейта. Что это вообще такое?" video.
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The main lingua franca now is English- and even Americans will tell you that the lingua franca of measurement is decimal, Celsius, etc. And, that's fine- it is, overall, a better system, especially since no governing body has ironed out the Imperial system to make it better for the modern day even if it is, in theory, just as useful (if useful for other purposes). English as a lingua franca is kinda stupid, it's just a matter of convenience. So let's switch the lingua franca to Korean- I hear that's supposed to be one of the easiest, at least in terms of writing systems. Then let's ban every other language. They're useless, right? Now, EVERYONE can speak the same language, and we can all understand each other! Double plus good!
But what do we lose? Languages out there are dying like endangered species- languages with a view of the world we don't know. If someone fluent in 2 languages talks to someone fluent in both languages, what language will they choose? Whichever they like of course- but every language has things like homonyms that are ambiguous in one language but clear as day in another and in the case of ambiguity they can clarify easily by using the other language.
The main advantages of the Imperial system are how easily it factors, and that the decimal system is extremely weak with threes. It's fine that the lingua franca is the decimal system. But don't be so belittling of other systems- depending on the particular situation, an alternative system may prove superior.
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