In 20 years: +2°C is unavoidable, +3°C would require the whole world to reduce the emissions by as much as the covid crisis did… Each year.
Even if the best political minds come to term with that and take actions, I don’t see us stopping. I don’t see us capping at 3, nor at 4. Nor at 6.
The world had subtlety agreed on a different standard (mico usb) when apple decided to do decide to switch to a proprietary one (lightning)
Granted, micro Usb is shit, but switching to a proprietary standard is worse as you force everyone to have something different.
Were lightning not proprietary, I could definitely see it overcomming micro usb everywhere