I agree. The cf shafts he tried must have been pretty bad. I've tested about 6-8 and all have been less defl. than maple. Some were way less. The 11.8 Cynergy is the least dfl. shaft that i've ever hit. I have hit a couple made by small individual shops that were about same as maple but all the major names were less deflecting.I guess Dr Dave is a liar too.