I also read both articles and as well as a few others. It appears that it is not the "quality" of the agave syrup that makes it a questionable food choice, but the basic essence of it is (a high fructose content) that is the problem. Independent research has now been released that indicates that it is the chemical/metabolic pathways of fructose that is detrimental to our bodies, versus that of sucrose and some other sugars. This is huge because it impacts not only agave syrup, but many of our "healthful" habits, such as smoothies, juicing, etc.
On a personal note, I spent years eating high quality organic foods, multi-whole grains, etc that were not good for my body and which were quite frankly killing me. My body did not care about the quality, just the essence of what I was eating. Persistent ill-health eventually forced me to examine how my body responded to these foods and decide if quality, taste, tradition and convenience was worth sacrificing my health. The finest organic whole wheat will kill me....
For me, heated or raw, slightly processed or highly processed, the decision is clear... agave syrup is OUT!! I need to use sweeteners that require some processing INSIDE my body, such as coconut sap, and even just plain "old" evaporated cane juice sugar...and even then, with great moderation.