Not the parent poster, but there is [0] Making Humans a Multiplanetary Species / Elon's original presentation from IAC 2016 - [this video] [1] Starship Update / 2019 - [link]
Musk's original 2016 IAC presentation on multiplanetary plans
> If you're going to get a significant fraction of the human race living off Earth you'll need to build something nicer than Earth that's what Blue Origin is working-on but their timeline is unsure to me :-) [this video]
You might be right but consider these old talks: Making Humans a Multiplanetary Species (2016) [this video] Elon Musk talks Climate Change and Carbon Tax at the Sorbone 2015 [link] It could be that he was just following the trends knowing there was money to be made, but I detect some real passion back in these videos. Of course no motivation comes from a single source and there's some mix of philanthropy and money driving this, among other motivations. Either way his tone has changed a lot, to say the least.
Older talk showing Musk's passion for multiplanetary goals
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