I wrote that they fantasized about detainees being eaten by alligators. That is a weird fantasy, whether they wanted to see it in real life or not.The motivations of others eludes you and is replaced by your fantasy "evil" opponent. Off color jokes aside, I know of not even one person who wants alligators to eat any detainees. Though if I were to play your game, the only people hoping for such a thing are the left, as they hope "when" it happens it will cause no end of trouble for the Trump administration.
Giving people the motivation of a cartoon supervillain is fun, but not very meaningful. It doesn't progress the conversation in any meaningful way. Though your "friends" will clap you on the back and think you are "wise".
MAGA morons really latched onto the idea of an internment camp surrounded by a moat with alligators. I don't think they liked the idea because inmates would be able to enjoy seeing the local wildlife.