"Climate change is a natural process and we shouldn't interfere with it."
There's a word for this happening throughout human history. It's called "government."
You mean like the people commenting here advocating replacing us with AI?
Pretty much anyone on the internet that gets traction is using outrage to spread their message. Since the emotions that cause viral spread on the internet are only outrage, lust, and awe, some huge whopping fraction of all communications on the internet through social media results in positions so extreme, someone eventually basically advocates destroying the human race or some large swathe of it.
It's like Godwin's Law. It's most certainly related to that, come to think of it.
Douglas Adams was a prophet! http://www.goodreads.com/quotes/6458-meanwhile-the-poor-babe...
Tribalism is easily the most destructive of our impulses, especially in the way in which it can interact with ideology. Through ideology, such tribal impulses can camouflage their own effects and short circuit the "better angels of our nature" to excuse the dehumanization end even the slaughter of the out group.
I think that's the last great barrier to humans finally "waking up from history."
In particular, the way tribalism and in-group/out-group psychology interposes itself into political discussions is especially pernicious -- especially in the ways it manifests over the internet in social media. Fear isn't the mind killer. It's ideology combined with tribalism! If humankind ever destroys itself, in all likelihood, some group will have ideologically convinced itself that it should do so for some incredibly noble reasons.