I don't "get" Fi, I guess, but I understand how it works.
I think Fi users don't really get Fe either, even though they might understand the definition.
I do know how to deal with Fi users, though. They have a harder time dealing with me than I do with them.
I do find it kinda funny that some Fi users seem to think Fi is more "real" or "authentic" than Fe. I guess most people tend to think the things they're good at are the "best" things.
And CC, there is a lot of hidden tone and assumptions in your posts, and that's what most people are responding to, not your actual words. This is the problem with Ns communicating, especially over the internet