@Rebitzin if you are correct that the mitzvah is being drunk then we have the shitta of minchas chinuch that when a mitzvah is the ????? and not the ????? it doesn’t need kavanah. (????? ??”?)
But I think you are wrong. Ad delo yada is the shiur of the mitzvah not the kiyum. And the reason might be the Ran who says ???? ????.