> "everyone agrees on" "Everyone" in what scope? For an international team of engineers and scientists, the answer is obviously metric. But if "everybody" i

> "everyone agrees on" "Everyone" in what scope? For an international team of engineers and scientists, the answer is obviously metric. But if "everybody" in the relevant context is other tradesmen in America, then "everybody" agrees on the American customary units. It doesn't matter to the latter what the former pick.