

Yup, camp toilets are a similar concept. It’s just a 5 gallon hardware store bucket with a snap-on toilet seat lid. You line it with what is essentially a trash bag, just to make disposal easier. Then you use a gelling agent (just like what is in disposable diapers to allow them to soak up a bunch of moisture) to reduce sloshing and smell. It’s handy for when you’re going to be away from toilets for a day or two, but don’t want to (or aren’t able to) dig a hole to shit in.
But the same concept applies for when you’re going to be trapped somewhere (like a classroom) for an extended period of time. Like, for instance, during a school shooting. When you have 30 kids in a classroom, there’s a very good chance that at least one of them will need to piss after an hour or two. And nobody wants to deal with human waste in something like an open trashcan during a lockdown.
And as an added bonus, the bucket can be used to store all of active shooter supplies when it’s not in use. So everything is in a single location to quickly grab and prep. Active shooter happens? Great, just grab the big bucket out of the closet, dump all of the supplies out, and you’re ready to go. Now all of your tourniquets, styptic bandages, etc are accessible.
But it quickly got distorted into “they’re making kids use litter boxes to indoctrinate them” instead.
Beans were just some sort of meme that popped up randomly. I think it was one of those “mods are asleep quick post [x] before they wake up” types of things, and it quickly spiraled until half of everyone’s feed was just beans.
I was around when it happened, and even I don’t understand it.