It's more of a range thing. Hitting an enemy fuel truck from 5000m away is a lot safer than running up and shooting it at 200m. 200m shots are common in a cit

It's more of a range thing. Hitting an enemy fuel truck from 5000m away is a lot safer than running up and shooting it at 200m. 200m shots are common in a city, because cover / concealment is everywhere. Sure, there are still trees and hills to hide in the countryside, but having the option for super long range really helps.