@QuantumForce : Or perhaps it's making fun of New Zealand's rugby team and the "Haka"? It seems to me your comment reveals more about your sensitivities and prejudices than anyone else's.
Because dancing for Wally would be work, when he hits the highest state of Zen, the chair he is sitting in goes up in the air about a foot and floats around the cubicle. He hums to himself for accompaniment and his co-workers assume it's the way his computer sounds when it's on....