Interesting. I wonder if the "forward slash" bit is making people start thinking literally rather than making associations to what they already know?

If I'm talking about a common system location, I don't even mention the slashes, e.g. "user bin", "etsy init dot dee", "var log httpd" and so on. If someone started off telling me to go to, say, "forward slash user forward slash library" I would just start transcribing /user/library, assuming it was something nonstandard. For /usr/lib, I'd expect to just hear "go to user lib".