I think one thing it would do is increase offense. The article referenced the concept of moving away from pitchers focusing on overpowering stuff and focused more on command. In theory you’d see more hittable strikes, fewer walks and strikeouts. More balls in play. Teams would have to adjust how they develop pitching.
First thought was I hated it but after reading it’s not terrible. If pitchers don’t go 6 they can come out if throw 100 pitches, give up 4 runs, or get injured. The last one is enforced with mandatory IL stint if pulled for injury.