Not really, the dev vehicle had, for example, three not nine engines and critically had only one or a particular sensor where the real thing has three; the faul

Not really, the dev vehicle had, for example, three not nine engines and critically had only one or a particular sensor where the real thing has three; the fault that exploded the test vehicle would have been outvoted by the other two redundant systems on a real F9. Calling them the same invites inaccurate feelings of splodeyness.