The “cage” thing is weird, because it seems like it is used by the worst/laziest dog owners, and by good dog owners / trainers (with very different reasoning). The average dog owner seems to not even use “cages” much.

Anyway, crate training is very much worth it, but it takes a significant effort

That’s what I do. I purposely pick seats nearest the engines

This is from the movie Come True, one of my favorite recent Indie films. It’s one of those movies you have to watch twice to start to figure out what’s going on though, so it’s definitely not for everyone.