shooting can be useful when fighting melee creeps. instead of skipping a turn, you shoot. it's not that useful, but it's better than nothing.
the question is pointless.
If you play as an Elf, learn Light magic and support your archers as much as you can. They will be taken down otherwise... Expert Chaos is not very effective! They will shoot down: druids, berserkers, demonesses, and even vampires, although a little less effectively. Lizards are also vulnerable to arrows! The main thing is to shoot them down first... And this is only at level 4, as we are talking about them. And in general, they can also take down higher-level units quite well for their level!
and since when has Expert Chaos stopped being effective? for a hero with 1 spellpower, yes, I agree, Chaos is not needed:)
in general, stories about shooting down Chaos units like partridges are already becoming less and less related to reality. I'm not arguing, archers are good, but there's no need to become the second MZA:)