I’m not claiming you live in the Midwest, just that the Midwest climate matches the Fahrenheit scale.
I believe you when you say you feel that way at those temperatures, but I personally wouldn’t wear just a t-shirt when at any temperature under 10C/50F.
So Fahrenheit matches the subjective temperature range where you might feel comfortable, but not me. And so you can’t make a general statement that it matches “human living conditions” when others think that Celsius better matches their comfortable range.