You hear the case, however it's presented, and then you decide.
In Swedish courts the court evaluates evidence as it likes. If the judges and sort-of-half-judge-half-jury-Nämdemän agree that something can be concluded, then they're allowed to conclude that.
Obviously procedure is useful, but hearing the complaint is more important.
It's not about procedure for procedure's sake. It's about establishing a precedent that unnecessary content should be left out, so that complaints are always conveyed and heard sincerely.
In Swedish courts the court evaluates evidence as it likes. If the judges and sort-of-half-judge-half-jury-Nämdemän agree that something can be concluded, then they're allowed to conclude that.
Obviously procedure is useful, but hearing the complaint is more important.