Here's a 5 minute summary of the conversation between Elon Musk and Jack Ma. https://youtu.be/aHGd6LqAVzw
AI can be bad, but only through abuse by humans and not by the plot of Terminator. Mars is great but I feel like we have more pressing issue to solve. Being rich and privileged can blind us to the pressing needs and focus on overly lofty ambitions.