'oi I've got a node to pick with you!!
I went this route with a set of ACE's on my recurve when the trend started to keep arrows as long as possible and use the clicker extension plate. It worked well, but perhaps that was because my arrows were on the stiff side to start with and and inch longer weakened them a little. In principle I think there are so many other factors in play around optimum arrow set up and tuning its better to deal with the ones we understand and get them right.