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In principle Kurzweil is stating the transition from Fear to Adoption and Acceptance + Harmonious existence of AI and Humans will go more or less automatic, ie FEAR is normal, but will fade away. Musk and others think AI can be so influential on human existence that we have to act and define and program rules into AI to be able to live harmonious with AI.

I get it after watching 3 times

Great! :) Time well spend!