In the SpaceX and even the whole aerospace community this is basically assumed because of years and years of her interactions and conduct. Generally the theme

In the SpaceX and even the whole aerospace community this is basically assumed because of years and years of her interactions and conduct. Generally the theme is, if she says it the likely hood of something happening goes up 300%. That said, I don't necessary think that you can assume a direct causation of the difference between SpaceX and Tesla based on her alone.