I'm working on the bullet system for a game right now and another advantage of hitscan I think, that wasn't explicitly mentioned in the article, is that you can get objects behind objects to then determine if the first object should absorb some of the bullet damage. For example, an enemy behind a wall may still damage but not as much as if the shots were fired directly at the player.

When you send out the raycast and get a list of all objects hit, you can iterate over the objects hit and reduce damage value until the first enemy object is hit (pending any distance restrictions).