The entire NutriNet-Santé study is a form of data-dredging. It's a massive database of questionable origin that allows use of statistical tools without intelligent, impartial review to produce blurbs for click-through ad revenue from major media outlets.
Meaningless tripe, not worth the time or consideration.
Publishing nonsense like this should be a criminal offense.
They found that a 100ml increase in sugary drink consumption was associated with an 18% increased risk of overall cancer and a 22% increased risk of breast cancer.