There is nothing to question. Particle accelerators such as cyclotrons or synchrotrons are circular in nature due to the physics involved. Circular structures have existed at least since the Coliseum (70 AD). They are symmetrical and partake of that beauty. Finding something occult in their similarity is like searching for the magical mystery of why a bicycle tire is similar to a silver dollar (completely nuts).

People can question that which begs to be questioned for good reason. But people who question "why is there air?" are just wasting time...and air. It is mainly a sign of ignorance, dressed up as arcane wisdom, so one can feel superior.