Regarding the championship games, I'm certain that attendance at a state camp is not required to be selected.
Required? No. The AHSAA takes great pains to put that in writing in their Playoff Selection Guide:
"3. AHSAA District Camp Attendance (Although not required consideration will be given to those officials who attended district camp last year.)
4. AHSAA State Camp Attendance (Although not required consideration will be given to those officials who have attended state camp within the last 4 years.)"
Take a poll of the officials who have worked championship games in the last 5 years and see how many have
not gone to the state camp. I'll bet it's zero.