he does work on the rocket, unless he's lying about that, he might be i don't know. and he brought together the people to make that rocket happen and he ordered them to build it and got it funded and all that. he built spacex and spacex built the rocket yes. i'm still impressed.  because it wasn't happening on its own. the legacy rocket companies were happy to rake in profits from shitty overpriced disposable old rockets and they had no capitalist motive to go beyond since nasa will pay them the money no matter what it costs.
Canada