Baseball changed. Thanks to pitching labs and advanced training techniques, more pitchers are adding more velocity and greater spin rates. On the player development side, this has created even greater interest in high school pitchers with projectable frames, like Jordan Hicks. There is greater potential to build guys up. While the Cardinals continue to target college pitchers who can rise fast into at least depth roles in the big leagues, on Randy Flores' watch the Cardinals are looking for higher ceilings too -- as they have with hitters.
College pitchers are often abused by their schools, so they often need rebuilding after turning pro. But the Cardinals have had some success adding velocity to guys like Zack Thompson and Gordon Graceffo after they get into the system.
Also, let's look at where hitting is going. More guys have more power because there are one dimensional and focused on doing damage. A guy like Nolan Gorman doesn't have to hit a ball just right to get it over the fence. Pitchers can make good pitches and watch them leave the park, especially when the ball is livelier at the time. Hence the value of the swing and miss in this Three True Outcomes era.