It seems a little unfortunate to have the name clash with the well-known Unix utility (this appears to be intentional? See how the web page is laid out like a traditional Unix manpage, too), but without the same command line arguments as said utility.

If this is important to you (as it is to me), it's worth noting that Cygwin supports creating native NTFS symlinks, and you can use the good old GNU ln (same one you'd use on Linux!) to do so. There are some caveats, but it should at least attempt them. See the documentation: https://cygwin.com/cygwin-ug-net/using.html#pathnames-symlin...