Lo Bashamayim Hee
Once it is done, it is done and the winners get to write history. Ideas that are unthinkable become a fait accompli once there are "facts on the ground". This is what happened with the Rabbis who decided that their interpretation of the Torah trumps everything else.
It reminds me of the scene from Shogun, where Toranaga is yelling at Blackthorne:
"Therefore the Netherlands - your allies - are in a state of rebellion against their lawful king?"
"They're fighting against the Spaniards, yes. But - "
"Isn't that rebellion? Yes or no?"
"Yes. But there are mitigating circumstances. Serious miti-"
"There are no 'mitigating circumstances' when it comes to rebellion against a sovereign lord."
"Unless you win."