Also "wireless" networking also involves wires of some kind. In terms of wireless networking, I don't care that there are actually wires that connect my router

Also "wireless" networking also involves wires of some kind. In terms of wireless networking, I don't care that there are actually wires that connect my router to the internet. It's the same with serverless architectures: I don't care that there are actually servers executing the code, I just don't want to have to think about them.