3) If it is used for killing people, it's some pretty nasty stuff. It burns straight through anything it touches, and once lit, it's nearly immpossible to extinguish. In that sense, it's indiscriminate, making it more similar to a chemical weapon like Napalm than to conventional weapons.
Anything that kills people qualifies as pretty nasty stuff. Traumatic amputation of a limb, or disembowelment by a high explosive (HE) or chunk of shrapnel would make it quite nasty in my mind and certainly indiscriminate as I am aware of no guided shrapnel. Since our WP rounds are not designed or useful as chemical weapons, the burst and initial explosion rapidly vaporizes into a cloud of irritating, but non-fatal smoke....
read the whole thing...and part two above