Look at the 2023 final rankings. The #12 berth in the CFP would have gone to #25 Liberty.I don't know where you are getting this prediction from. The G5 champ will be much higher. The 12th seed will be like a #3 SEC/BUG/ACC team that still has a decent chance.

2024 College Football Rankings - ESPN
Find the 2024 NCAAF rankings on ESPN, including the Coaches and AP poll for the top 25 NCAAF teams.