This would more than halve the amount of relief pitchers needed, so the MLBPA will never ever think about agreeing to it.
Starting pitchers averaged ~5.5 innings per game in 2024, and going 7 is hardly a rare occurrence. You would basically just have starters, 2-3 relief pitchers, one "long-man." vs. the average of 8 on the roster today.
The amount of money being invested in AI should've been invested into nuclear, both fusion and fission. The AI bubble will burst, but the energy bubble never bursts.