I started doing that for my choir but they just kept telling me to just give them the major key the song is bassd off of. It kid of stuck with me. Of course i prefer to do it the "proper" way but i play for a choir with members that have virtually NO music theory knowledge so i keep it simple.
Simple.
So if you told them that it was in Fm and they had no musical theiry background, What difference would it make? They are not putting the chords together in their heads. All they are doing is enabling and reinforcing an "easy way out"
When I sing, it is imperative that I know the song is in a minor key. The harmony changes drastically. So do cadences and leading tones. It seems like a lot of hoop jumping just to avoid learning to do something the normal way.
I am not knocking it, I am just saying that it sure seems like a lot more effort to see a key and think of another key just because you don't want to or can't think in the original key... Sounds like the transposition arguement in reverse...