Thanks for the great contributions so far, of course I agree with everything said above.
Eventually, one issue where a FMJ would make sense occured to me, namely lead free ammo which might be important in the light of environmental awareness... Just a thought, though...
"Get off of my lawn!" Walt Kowalski
. Savage Axis XP (.223 Rem)
. G17 3rd gen. (9mm)
. Taurus PT22 PLY (.22lr)