I will use this to make my code unattractive for AI.

“Those seem rather small. Do you have one with more girth? No no. The dose can stay the same.”

I propose the body temperature of an average opossum as the fixed point for 100 because they are cute as heck. We shall call this unit Possigrade. And anything above 100 Possigrade should be called the ‘rabies zone’ and 0 Possigrade should correspond to 8°C, as this feels very cold when dressed inappropriately. In addition, there is now the Bakers Possigrade, where 100 corresponds to 27°C, as this is the temperature at which sourdough bread rises by about ⅓ in 5.5 hours.

But seriously: Celsius is fine. On Earth, we are primarily interested in water at atmospheric pressure. Too many things contain water (pipes, food, paint, etc) and they react differently at 0 °C than at 4 °C. For this reason, we deliberately avoid using water in applications that are regularly exposed to sub-zero temperatures. Water is simply everywhere, so 0 °C and 100 °C are important tipping points for general use.