Having dry-run not act like the same command without --dry-run would
make less sense than people occasionally running it and discovering that
they need more options.
-v doesn't show things it didn't touch. So, it touched them for some
reason. Without --itemize-changes you are left in the dark
Please improve (default) output for *--dry-run*.
Specifically, it would be nice to imply *-v* since dry runs without
displaying anything make no sense.
Further (independently from dry run), it would be nice to have an option to
hide directories which did *not* change. The need to *grep* results
