12:25 That’s not true: “from one in a million to nothing”, he forget on a interstellar asteroids, a objects can be hiden, there is a lot of space phenomenons for false measurement false positive false negative, hiden objects etc. True is that humans don’t have any technology for perfect observation and due to this the percentual chance for any impact growing every day really fast.
Why Moon base at first?
Moon is the testing field for a new technologies in unhabitable enviroments.
+ near by Earth
+ low gravity
+ perfect observe place (ready for ATLAS base,, etc.)