They didn't ask for it, it isn't documented to work that way, and the "Directory History Window" Help page says, "The current directory is recorded automatically in the directory history list just before each change to a new directory or drive. ... When you switch directories, the original directory is saved in the directory history list, regardless of whether you change directories at the command line, from within a batch file, or from within an alias. However, directory changes made by external directory navigation utilities or other external programs are not recorded by TCC."
So, this is either a bug in the way it works or a bug in the documentation.