Sure, but when they're moving they're not shooting, so those few shells better count.

Both shooting and moving is very detrimental to staying hidden. And with FPV drones moving doesn't do you much good unless you move out of drone range, which as mentioned is or very nearly is 2x the effective range of such artillery systems.

The attack drones don't have to be big, just big enough to score a mobility kill and the artillery is pretty much f'd in the a...