So for point 1, what counts as being of use in service of something else and of use directly? Take a game and an helper for that game. The helper is clearly o

So for point 1, what counts as being of use in service of something else and of use directly? Take a game and an helper for that game. The helper is clearly of use in service to the game. But is the game of use directly, or is it in service to the enjoyment of the player? The enjoyment of the player would be the only thing that is done for itself, and even that gets a little odd when you begin to strip back the neurology of what the enjoyment is. So I see two ways to take this. First, a slight clarification to say that 'something' that a thing may be in use to is limited in a way to not include desires and pursuits. Second, that the only thing that has the purest usefulness are desire and pursuits we seek only to fulfill them and not for other reasons (if we ignore why our brain wants us to do such). Both seem odd but not repulsive takes.