To give some perspective; just imagine if overnight manufacturer’s outputs could only be found in written form in libraries and the knowledge economy took over all advertising and the high street. The thought of that illustrates how unbalanced those two economies are in their relationship with the public.
In an academic, art or curatorial context it’s more helpful to think of ‘accessibility’ as providing a re-framing, entry point or window to the original work so that the viewer stands a chance of understanding it in a short space of time.
Art [in it’s many forms] is a very emotional sport, but is still one of the most successful, efficient and romantic ways of showing concepts and ideas to an audience that civilisation has invented so far. This is one reason why modern art’s job is not only to show us who we are, but also to help us.