Many USA airlines still use degrees F.
Don't like it...stick it in your ear...some like it fine, thanks.
Yep, ice at 32 degrees, water boils at 1983 or whatever, what a great idea. Hmmm, the rest of the world... Zero equals freezing; 100 equals boiling. Sensible, me thinks...yes.
Mind you, American mathamatics is what nearly brough the financial world to an end with their mortgage scheme, bank bailouts, etc.