You're the first person I've heard say that the metaphor doesn't make any sense; meanwhile, a lot of people regularly use it, which implies that it makes sense

You're the first person I've heard say that the metaphor doesn't make any sense; meanwhile, a lot of people regularly use it, which implies that it makes sense to them. You're welcome to not like the metaphor, but you don't really get to declare that it's objectively wrong… it's a metaphor.