There are a lot of things you can do with any interactive type guide placement system. You can put more lines on a story pole if you want to use more guides. Or you can use fewer lines for fewer guides. The same is true of Don's chart. If you don't like the number of guides it places on your rod, use every other intersecting line for 1/2 the number of guides. Or draw your own set of lines, working backwards from a rod you know works well for you. The concept itself is certainly sound. I would assume most of the people posting in this thread have enough rod building experience to modify things to suit their own personal tastes.

There are a lot of beginning rod builders that don't have that experience however, and they would like to have an easy way to place their guides on a rod blank without having to do static stress distribution (many find that intimidating and aren't sure they're doing it correctly). Any sort of interactive chart that helps them get started is a plus, and any type of interactive system that takes into account the action of the blank is certainly better than the common generic guide placement charts.

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I saw a demonstration of the Morton chart at Mudhole a few weeks ago, and since I was picking up a blank that day, I used the chart to determing guide position. (It was a 7' light saltwater MHX blank for a spinning rod.
The chart indicated 11 guides (the top 8 were single foot titanium fly guides in size 5). The tip top is not included in the 11 count, nor as one of the 8 #5 guides.
The first guide was 2" from the tip. Anyway, to make a long story shorter, I used surgical tubing and laid out the guide train. What was immediately obvious to me was that, even with titanium guides, dampening was adversely affected.

I reduced the guide number to 8 total (not including the tip top), using the New Guide Concept system. The results were sharply different.

Dampening was almost 4 times faster, and casting distance was increased by an average of 32'. (Test reel was a Shimano Stradic CI4 loaded with 8 lb Spiderwire mono.)

Granted, this was one blank and one test. But performance on this rod is doubly important to me, as I am building it to be used as a demo model of a lightweight rod/reel combo to be used locally for trout, redfish and snook. 32' is HUGE percentage increase in distance: I am not a tournament caster or fisherman, and my distances went from 137' on average to 169' on average.

I'm not ready to abandon the Morton chart, but I will use all available info to build the most efficient, high performance rods of which I am capable.

BTW, Todd Vivian at Mudhole has been extremely helpful to me during this process, as has Eugene Moore and Tom Kirkman. My thanks to all of you.