I've got a feeling that Elon is the kind of person who would only be happy with death on a battlefield, bested by a worthy opponent.
Rocket Lab deserves the praise it receives. More so than Blue Origin, an older company whith grander ambitions but has been unable to execute on anything beyond a few small scale suborbital hops. Their methalox BE-4 engine is admittedly pretty cool though.
vs
2. Design for first-time-close enough, spend a lot of money on many relatively cheap-ish prototypes that get blown up but improve each time. While making money with a less (but still) ambitious design