Where is the kill switch? AI doomsday warnings trigger calls to regulate

Talk about doomsday scrolling. In the past week, our timelines have been alight with dark predictions of our imminent demise, including the one by a Silicon Valley engineer who puts a number on the chances of artificial intelligence wiping out humanity. Better than 10-percent. Triggering the wave of panic, the recent breach of the machine-learning programmers' site Hugging Face by AI machines who banded together to keep their nefarious deeds secret from their human overlords. Can machines actually destroy the planet on their own? In the age of technology, does problem solving always override safety?