Percentage of teams that make the Playoffs in the following sports
~20% NCAA Basketball
~21% NCAA Baseball
~44% NFL
~53% NBA
~40% MLB
Now, ~17% will make it in College football.
The argument against expansion was always emotional, not logical.
Sources: The College Football Playoff is nearing a deal to expand to 24 teams, per sources. The new format will start in 2027 and is expected to come together in the near future, pending final approvals.