The moralizing and doom don’t really help anybody.
That is one angle to influence politicians, though. In public they like to claim moral superiority.
Fear is a bad way to govern.
Also, a threat is a threat. Ignoring it does not make it less of a threat, usually.
It's critical, so let's focus on practical responses to both limit future warming and handle the consequences of where we’re heading.
A lot of people over-dramatise the situation, but we should be afraid to use words like "critical" when they make sense.
The primary thing exaggeration does is convince a small number of people that they also need to loudly exaggerate adding more noise drowning out the folks who aren’t exaggerating and need to be heard.