ok, I personally hate having non-slave jobs. I personally inslave all the girls who go into my dongeon, so I have very few free girls (and I don't like having to free a girl just to assign her as a matron, etc)
so, as it is something that could make things more difficult, could this be something that is added to the config (maybe just a free girl jobs = true, or something)other wise I like the idea of merging the two jobs (I always forget to assign animal care)