Because they think it might make people give a shit enough to do something to change that outcome?

Fear is a strong motivator, but it is not a good one in this case. To really be effective, there must be the threat of direct, immediate, and severe consequences.

Instead it causes people to treat their messages as hyperbolic and undermines their entire movement.

> What I'm wondering is why is there such a push for this stuff? Why does someone want everyone to think life as we know it is ending?

Simple thought exercise (it's a 2x2):

What are the consequences of climate change being consequential vs inconsequential?

What are the consequences of us doing too little or too much to mitigate climate change?

Which quadrants are most consequential for the future of our planet?