“Joseph had lots of speed but was playing stock lightweight stiff-flex shafts in his irons and stock stiff shafts in his hybrid and woods. His miss with his irons was a push to the right no doubt exacerbated by his iron shafts being too soft and not stable enough for his speed and the way he loaded the club.
The new GAPR clubs are of interest to a lot of folks and for good reason as they do what they’re designed to do very well. The simple answer to your question is yes the GAPR line is designed for any player who needs to bridge the gap between their longest iron and shortest fairway wood which in reality is pretty much everyone.
One big difference is the addition of a new four-model structure with Tour (T) Players (P) Extreme Forgiveness (XF) and Super Game Improvement (SGI) now offered. But the real design difference has to do with the a new material used in the clubs that produces more speed and distance among other things.