 Despite this increased importance granted to more encompassing cultural systems and organizations of society, Dilthey continues to insist that the individuals participating in them are never completely submerged by them. This is because any such productive system only engages some aspects of an individual. Moreover, the individuals active in a cultural system often put their stamp on its mode of productivity so that not just the rationally agreed upon function of the system is achieved. Summing up these two points, Dilthey discerns a difficulty in conceptualizing the sciences of these cultural systems in terms of the idea of purposes alone: