Or he doesn't care about burnout. Because of the branding of how cool space is, and robotic missions that actually advance the science not being as sexy, he has

Or he doesn't care about burnout. Because of the branding of how cool space is, and robotic missions that actually advance the science not being as sexy, he has a fresh supply of excited people (rant about the science vs the sensation). Knowing former SpaceX employees informs that.