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The author is confused. 0C is special to us because it is the freezing point of water, but that doesn't really make it special within thermodynamics -- it's just the freezing point of some arbitrary substance at an arbitrary pressure (ATP). 0C isn't even the only freezing point of water -- if you add impurities or change the pressure, you can change the freezing point!

Maybe 0K (Kelvin) is special, since that implies zero gas entropy, but 0C doesn't have any magical properties.

Interestingly, unlike the boiling point, the melting point is not that dependent on the atmospheric pressure: for a wide range around 100kPa, it stays at 0C [1].

[1] Wikipedia: https://en.wikipedia.org/wiki/Pressure_melting_point

Well, the irony is that it isn't very special, and neither is the positivity ratio. So the "just like" statement turned out to be true after all. ( A nxor B == not A nxor not B )

I'm sure @Maybestring is being ironic.

Neither are special.

The post was a comparison not a contrast. I believe the point is that the 3-1 ratio has no special status - not that 0C does.

Neither are special

Maybe they meant Kelvin?