Interesting article, with pros and cons:
childrenshealthdefense.org
Apparently feeding surplus candy as a filler has been a practice for at least a decade.
Big Ag Sees ‘Win-Win’ as Farmers Feed Leftover Candy to Livestock
Candy companies overproduce sugary treats and farmers feed the leftovers to livestock, claiming it’s a “sustainable” solution. Critics argue the practice benefits corporations financially while masking the systemic issues of excess production, cheap corn subsidies and an unhealthy food system.
Apparently feeding surplus candy as a filler has been a practice for at least a decade.