Very little. Which proves these screws do their job.
I don't see no f??king ice giants.
I'm guessing it's a bullet point for use more on terra ferma. Like those stupid keys for light switches in public places, vending machines, etc. They are ridiculously easy to obtain keys that work if someone is inclined. It's just not something so common that everyone has two or three in various drawers in their home
I keep a handcuff key on my keychain for giggles. It caused me a small amount of trouble when I showed up for jury duty.