I, and others, have written about how problematic it is that companies which sell ultra-processed food also heavily target young people in their advertising. Even worse is when companies make children do the advertising themselves. See below this from Nottingham in the UK, March 2018: (photo credit: David O’B)
Many sport organisations have safeguarding policies, but this does not seem to extend to protecting children from exploitation by companies selling all manner of ultra-processed food.