Avinu Malkeinu When Yom Kippur Falls Out on Shabbat
I understand that this year, with Yom Kippur falling out on Shabbat, we will not be saying Avinu Malkeinu, except at Ne’ila. What makes Avinu Malkeinu fitting, among all the tefillot of Yom Kippur, to be eliminated, and why is Ne’ila an exception?