It’s really hot for a human way before 100°F, it’s becoming uncomfortable when it’s more than 77°F (or 25°C for most humans. The “100 really hot” part is not really a benefit for anyone.
Also the point when water freezes is pretty important in the winter. You can see immediately that you have to drive carefully when the temperature is close to 0°C. So I think 0° freezing makes the most sense.
However: Temperature of boiling water is useless, that’s true.
It’s really hot for a human way before 100°F, it’s becoming uncomfortable when it’s more than 77°F (or 25°C for most humans. The “100 really hot” part is not really a benefit for anyone.
Also the point when water freezes is pretty important in the winter. You can see immediately that you have to drive carefully when the temperature is close to 0°C. So I think 0° freezing makes the most sense.
However: Temperature of boiling water is useless, that’s true.