Secondly the article itself states that it’s the intense exercise that keeps them healthy, not their diet.
In response to the second, do you agree with the original statement that implied sugar was damaging, or do you think it has no ill effects on someone who exercises enough? If walking 8 to 12km a day can completely counteract such large quantities of sugar in the diet, does that not make sugar harmless in many cases?
The statements I was responding to claimed that "until recently it was very expensive to get sugar" and then "honey is not the same as refined sugar". Honey is refined sugar formed by the same process as HFCS[0], and some hunter-gatherers get a surprisingly high amount of daily calories from it with seemingly little impact on their health.
[0] From a different precursor, but the general process of breaking down complex carbohydrates into simple sugars is the same, and so is the output