Because they are using the Adjusted Rankings to break a tie. No more drawing straws or coin flips.
I'm I missing something, because I don't see where it says they are using the adjusted rankings?
https://www.nchsaa.org/sites/default/files/attachments/4.1 Competition.pdf
You use the ranking to seed all #1, #2, #3, and at large teams, but not to decide who is 1, 2, 3.