You still don't need to turn the AC up to the point where some people start freezing.
IMHO, it's not the slightest bit unreasonable to just expect everybody in the office to be able to deal with any temperature between 20C (68F) and 24C (75F) without complaining.
Carrying a long-sleeved shirt with you in case it gets a bit chilly is not unreasonable.
If it's 21 C / 70 F outside, just leave all A/C and heating off. You don't need them.
That's idiotic.
then they blast personal space heaters in their offices while the AC is on.
Okay, that's more than just mildly irritating. That's massively irritating.
I think the real difference between moths and butterflies, from my own observations, is that moths will stow their wings backwards like most other insects when not in use, while butterflies will just fold them upwards, not moving them tailwards at all.