In EY the Vilna Gaon’s talmidim settled there in the late 1700’s were there before the Sefardim, so there minhagim should be minhug EY.
In fact, since Ashkenazim follow the minhagim of EY from the time of the Bais Hamikdash, it is more authentic than non-Ashkenazim.
charlie, how are you going to twist this one with your half-truths?