It actually can die but more accurately it can also become far less amenable to human thriving and kill off the majority of other species both of which appear to be happening
Obviously the planet won't die. The current biodiversity and the civilization depending on it however might.
In my country, streets are literally melting now, because they were never built for temperatures this high. We had 5000 heat deaths within 2 weeks. Temperatures never seen before in almost 250 years of consistent measurements of weather and temperature.
It's bad. And the data is available for everybody, including you, to see.
Where do you see actual alarmism? Please have a look at the older predictions and realize that it's actually significantly worse right now than those "alarmist" models predicted.