>Some things are better left untold
Earf has been infiltrated/infected by subterranean shapeshifting lizard demons from an alternate universe who walk amongst us like Roddy Piper's They Live. That's my best theory that best fits the fact pattern.
Or, a shit ton of humans are so skullfucked with insanity, that They might be so batshit crazy and suicide all life on earth
but idfk