i find it alot easier to hit moving targets up close with stuff like ACs, ppc and gauss. Leading a target running perpendicular to your facing 900m out going 70 kph with a ppc or gauss isn't a sure hit. where ass up close thats an easy shot, you can even pick your subtarget to aim at, like an arm or leg.
on that note, adding in a cone of fire just because one person doesn't like how the physics of vision and perception of long range objects works doesn't seem to make much sense. thats how life works, when objects are farther away, they seem to move slower, and they are easier to keep track of.