Secrets in the Dark quest multiplayer interaction

At the stage of "Stab the Rune Spikes into the Tree of Souls" when playing with two other players we all chose one rune and stabbed the tree simultaneously thinking this will progress the quest for all of us.
But then we realised each of us has to stab all the three points, it felt a bit silly. Would be way more sensible and immersive if each players' actions counted for the shared quest progression.