It’s debatable how the background of graphic design needs to be shared. There’s the discussion of different designers, and their notable works.
In addition to these central problems for design as a whole, many philosophers of design consider these problems as they apply to particular disciplines (e.g. philosophy of art).
The field needs more depth, in a sense graphic design needs to find itself, all while evolving at the same time. It’s debatable how the background of graphic design needs to be shared.