alt Hacker NewsIt's quite a bit of volume, but it's "only" about 1000 Calories if it doesn't have any oils/sugar added.
I'd guess the easiest way to get it down would be to just blend the oats into water without cooking so you have something that you can just drink like water.
And this is the real reason.
The oatmeal put them on a crash diet of 1000 calories a day. And filled them so they didn’t reach for non reported snacks.