I will never understand this argument, how could any temperature scale be more intuitive than "0 is where water freezes, 100 is where it boils"??

Those two things are utterly universal unless you happen to live high up on a mountain (in which case you'll be off by a couple degrees, oh the horror) and quite possibly the most relevant temperatures for us.

The only other objective and universal temperatures i can think of would be when skin burns and when you get frostbite or something, the latter of which is still questionably objective and both of which are.. impractical to use for calibration..