The heading should have been “Why Elon Musk, 1200 AI and robotics researchers and 2341 other signers of Asilomar AI Principles are wrong about AI”. Your argument is based on guesses about the future, which differ from not just Elon Musk, but the majority of AI researchers. That’s usually not a bad thing, as majority is often wrong, but this time it is bad, as there’s no room for trial and error. Even if creating artificial superintelligence is 50 years away (which is a very pessimistic estimate compared to the usual 20..30 years) we’ll have to get AI safety right the first time. So we have to solve the problem before it manifests itself, however hard it may sound.
As for Casey’s comment - You made a claim in the heading which got you plenty of clicks (it’s called clickbait) and what makes the readers angry is that you didn’t even try to prove the claim in your article. The burden of proof lies on you, not Casey’s weak little arguments.