Michael, I had the same misgivings. I have also learned to just accept what Bruce says as fact. I like to build two of my using knives. I built a serious business knife and I built a practice knife that has all the same features and balance, just not the finish. I wanted to see if I could break the practice one.
I really torture tested it during several practice bouts.
I sliced through several pieces of rotten wood 2" thick.
Chopped a 2X4
stuck it through an old bullet proof vest panel I use to test with (this is hard on guards).
both front slashed and backslashed through wet mats and newspaper.
Did a back thrust through my cutting dummy. (this really torques the handle)
Then I tried the biggie. I've broken several knives and swords on this one but I consider it an absolute must for practice and testing.
I have an arm for my cutting dummy. It has replacable bones made of 1.5" PVC pipe. It is positioned the same as someones arm in the ready to draw your weapon with the hand on the weapon. The idea is to start from 15 feet and cut the group of tendons etc in the strong arm that control finger movement. Take a look at Grays Anatomy and you will see what I mean. After that slash and still pretty much at a full run you turn and cut through the bone (PVC) just above the elbow.
This is pure hell on a knife or sword because of the twisting motions. The bottom line is that I have not loosened the handle at all. I expected to split the slabs where the pins come through. I can find no signs of stress at all. The worst thing that happened in this test is that I cut myself
Try it yourself, I think you will like the pinned framed handle.