Oh good. Now I can tell everyone that they shouldn’t get drunk because Rabban Gamliel held like Rabbeinu Ephraim.
Not a raya, because we don’t know how he understood the implied exclusion of ??? ?? ????.
The Radvaz is entertaining the possibility that despite a neder against wine, the guy can still drink it for Purim. If whiskey is just as good as wine, why would the fact that the wine is being used for a mitzva override the neder?
I agree that the Radvaz is not a raya that wine is meakeiv. But then again, nothing is meakeiv you hold ????? ??? ???????.