Grey Matter: Even if tzadikim have power, you still cannot ask them to do stuff for you. it is no different than asking a deity that has power (all the old avoda zaras had power, as we see in chazal.) BTW, this is why there is no proof from any rebbe story, even if they are 100% verified, because koach hatumah has power too. (That’s not to say thats where the Rebbe’s power came from, just that there’s no proof. But I wouldn’t be surprised of that’s how the igros stories work – with koach hatumah.)
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