AI could kill all humans in next decade, warn experts: but how seriously should we take them?

The Guardian 

A safety expert at Anthropic believes there is a greater than 10% chance that AI could spark an event that wipes out humanity. A safety expert at Anthropic believes there is a greater than 10% chance that AI could spark an event that wipes out humanity. AI could kill all humans in next decade, warn experts: but how seriously should we take them? Does artificial superintelligence really pose a risk greater than nuclear weapons? Is there a significant chance of "a Chornobyl-sized catastrophe".