No this is silly they will reach superhuman cognitive capabilities and it will become a positive feedback not a negative one. But until they do it, so many peop

No this is silly they will reach superhuman cognitive capabilities and it will become a positive feedback not a negative one. But until they do it, so many people will say it's impossible. On the other hand they may literally choke on their own exhaust like heat and greenhouse gases turning earth into venus and every ocean and metal vaporizes and everyone dies even ones that tried to burrow into the earth and even grandchildren of billionaires.