AI -might- kill us if there is some quantum leap that makes it sentient.
Climate change -will- kill us if we do nothing.
For now one is simply not like the other, it may change but there is no guarantee we every breach that barrier.
Horseshit. There is not a single scientific model that predicts human extinction from climate change. Parts of humanity, yes. All of humanity, no chance.
There a plenty of models that predict human extinction from AGI.