Unpopular opinion. I really liked the aesthetic of a bunch of my colonists literally dropping their dinners to charge to the defence of the colony and some poor, probably blind, peglegged, grandpa having to hobble around and clean up after everyone.
This will still happen. The chance only applies if they were eating from inventory in the first place.
It's actually to fix cases like being on a quest, undrafting a guy, he starts to eat, you re-draft him, now he dropped his travel food.