If you look and listen carefully, you can hear that the constant circular velocity is favored over sub-metric regularity. The notes in the middle of the measure

If you look and listen carefully, you can hear that the constant circular velocity is favored over sub-metric regularity. The notes in the middle of the measure are more rapid than the notes on the outside. It's a little ugly. I dont think it is meaningless. The circle is used to represent repetition and the lines juxtaposed over the circle is used to represent a pattern of pitch. Together they represent a repeating pattern that changes. It isn't the deepest it could be, but it isn't horrible.