I don't think that's true. On my GNOME system GSConnect uses GIO. I don't have a KDE system to look at right now but I would eat my hat if they're using SSHFS

I don't think that's true. On my GNOME system GSConnect uses GIO. I don't have a KDE system to look at right now but I would eat my hat if they're using SSHFS instead of KIO.