How risky is AI, really?

In recent weeks, Tesla chief executive Elon Musk has said artificial intelligence (AI) is riskier than North Korea and he has called on the United Nations to ban autonomous weapons before they turn into killer robots.
Musk has also reportedly called for AI regulation, saying AI is a “fundamental risk to the existence of human civilization” and he said Facebook chief executive Mark Zuckerberg’s rosier spin proves “his understanding of the subject i