My point in bringing it up was that we don’t know if his minions were sacrificing themselves or others, so the last step is still an assumption.
Even if Grindelwald managed to have minions loyal enough to sacrifice themselves, though, there’s no guarantee that anyone else’s minions would be that loyal. I’d say that it’s a gamble pretty much no matter what.
My point in bringing it up was that we don’t know if his minions were sacrificing themselves or others, so the last step is still an assumption.
Even if Grindelwald managed to have minions loyal enough to sacrifice themselves, though, there’s no guarantee that anyone else’s minions would be that loyal. I’d say that it’s a gamble pretty much no matter what.