yeah, my take is the lost art of the windup has messed with timing, not improved it. (having to time the upper half from a dead stop to a moving lower half vs having the upper and lower starting together, etc) It’s also messed with initiating forward momentum. (stepping sideways rather then back and forward or even just starting back and just moving forward, balance point rather than getting inside drive leg, trying to re-initiate forward progress after dead stop, etc).
Some pitchers are going back to a version of a full wind-up also, initiating the hands moving over the head again.
I hate my son’s concept of the full windup… Hands vertical in front of face peering over glove, stepping to side to set drive foot, etc. But it’s what he’s comfortable with…although I do believe it is the contributor to his timing issues… I’d rather he’d model after Nolan Ryan. Smooth, Fluent and relaxed.