There's a pretty good thread about that here which gets cited pretty frequently whenever this question comes up: https://www.reddit.com/r/SpaceXLounge/comments/

There's a pretty good thread about that here which gets cited pretty frequently whenever this question comes up: https://www.reddit.com/r/SpaceXLounge/comments/k1e0ta/evidence_that_musk_is_the_chief_engineer_of_spacex/ https://www.reddit.com/r/SpaceXLounge/comments/k1e0ta/eviden...