When I hear things like this, I'm reminded of the Dr. Seuss story, "Yertle the Turtle". The whole system is built on the lowest rung holding the most stress wi

When I hear things like this, I'm reminded of the Dr. Seuss story, "Yertle the Turtle". The whole system is built on the lowest rung holding the most stress without so much as a burp. When that burp inevitably comes, the whole thing could come crashing down.