The point is not to stay marginal, but to participate in whatever network of marginal zones is spawned from other disciplinary centers and which, together, constitute a multiple displacement of those authorities.
The juvenile sea squirt wanders through the sea searching for a suitable rock or hunk of coral to cling to and make its home for life. For this task, it has a rudimentary nervous system. When it finds its spot and takes root, it doesn't need its brain anymore so it eats it!
Rock gives children, on a silver platter, with all the public authority of the entertainment industry, everything their parents always used to tell them they had to wait for until they grew up and would understand later.