Haven't scrutinized the whole list, but Ted may be the only historian, or indeed writer of any kind, on it this time. Is that more evidence of the fall of CanLit?
Update, January 5, 2023: From an interview on CBC-Radio, I hear of Armand Doucet, Moncton high school history teacher, Governor-General's History Award winner 2020, etc, among the honorees.