Sure, they also use C6H12O6 every day, and interbank networks, but if we listed everything that wasn't similar to FTP we'd be here a while. FTP is "a thing" you intentionally use. You connect to FTP servers, and upload or download files, in the same way that HTTP is a thing you intentionally use to consumer web pages. TLS it just an aspect of how connections are negotiated and is on a completely different rung of the ladder of abstraction.