Oh come ON, y'all! AHS is not an going series just because of a few characters reappear. It's an anthology series that purposely reinvents itself every year. It has narrative echoes, certainly, but it's not, per the Emmy's new rules, following a consistent set of characters/stories over a consistent period of time.
Put this show next to Homeland, which also completely rebooted itself this season. Despite the new setting and many new characters, the show is still dominated by the extension of Carrie, Saul, and Quinn's ongoing stories, whereas the callbacks in AHS were Easter Egg-y ornaments in an otherwise unrelated story. It's incredibly cool that the callbacks happened, but I cannot --- nay, WILL NOT --- accept that they turn AHS into a continuing drama.