Well there is a auto backup there is no easy way to restore fro the laymen similar to how sickrage did it with browse select file and restore.
Since not everyone using sonarr is going to be all that tech savvy it seems like a smart add to make life simpler.
There is no mass adding option of shows which can make adding large numbers of shows something of a pain.
Its easier to mass large numbers and go in and change settings on the few shows that you which download at different quality .or the like.