You're arguing over the wrong thing. It's not a question of what system of units is better, it's a question of which numeric base is best. Imperial is fucked up in many ways but it does use base 12 in places, which is by far the best base. Base-10 sucks donkey dicks and is only liked by people who need to use their fingers to count.
>>13717204At sea level with pure water. Most of humanity doesn't live exactly at sea level, with constant 1 atm of pressure, using pure water. Also most humans never make practical use of 100=boiling point. When have you ever used a thermometer to boil pure water at sea level with 1 atm of pressure?