Baseball swing = smooth, balanced load is key to power
Great article with 2 drills from ProBaseballInsider.com
https://probaseballinsider.com/baseball-hitting-drills-power-part-2-timing/
As we get larger and arguably more powerful as we age, deceleration of the swing without injury becomes critical for long term playability of the body. If we start smooth, it makes sense that we have a better chance of finishing smooth.