why do you think that matters? what actually matters is how people use language. admittedly, this also involves studying people like you who have weird ideas about language.

if you just listen to people, you'll find that they use this phrase to talk about atm machines. that's all that is required. it doesnt matter if you think the name for a thing was derived through a process you personally dont like. it's still a name for a thing that is in common use and understood by people.

oh, also, do you think the "river avon" is also wrong? why or why not?