Tamarian,

You write "It is worth explaining that the book only mentions low-fat dairy, due to its position regarding saturated fats. i.e. the book is not encouraging low-fat, it's advocating low saturated fats. We disagree with this position, but we disagree with the label "low-fat", as it is inaccurate."

Did you instead mean, "We agree with this position, but we ..."

Otherwise I would expect, "We disagree with this position, and we also ..."