Well somebody is sure to lose their money, but if enough bigger fools can be lured aboard it needn't be the current crew. In other words, the Nikola truck but in space.
Absolutely - the only thing about Nikola that looks dodgy on purely physical grounds is the claim of super-efficient electrolysis. Whereas SpinLaunch seems quite uncoupled to reality. Meaning of course the reality is that they'll run giggling to the bank...